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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 | |
19b8e712 LP |
9 | #include "sd-device.h" |
10 | ||
b5efdb8a | 11 | #include "alloc-util.h" |
21e627da | 12 | #include "bus-common-errors.h" |
ce6b138c | 13 | #include "bus-get-properties.h" |
ac9f55ed | 14 | #include "bus-log-control-api.h" |
269e4d2d | 15 | #include "bus-polkit.h" |
28db6fbf | 16 | #include "constants.h" |
9737e2c8 | 17 | #include "daemon-util.h" |
686d13b9 LP |
18 | #include "env-file-label.h" |
19 | #include "env-file.h" | |
4d1a6904 | 20 | #include "env-util.h" |
6bedfcbb | 21 | #include "fileio-label.h" |
ee228be1 | 22 | #include "fileio.h" |
e2054217 | 23 | #include "hostname-setup.h" |
958b66ea | 24 | #include "hostname-util.h" |
21e627da | 25 | #include "id128-util.h" |
7ecead8f | 26 | #include "json.h" |
85ae63ee | 27 | #include "main-func.h" |
36dd5ffd | 28 | #include "missing_capability.h" |
7782e0a0 | 29 | #include "nscd-flush.h" |
d8b4d14d | 30 | #include "nulstr-util.h" |
d58ad743 | 31 | #include "os-util.h" |
6bedfcbb | 32 | #include "parse-util.h" |
bb15fafe | 33 | #include "path-util.h" |
6bedfcbb | 34 | #include "selinux-util.h" |
fc021a5b | 35 | #include "service-util.h" |
b22c8bfc | 36 | #include "signal-util.h" |
19b8e712 | 37 | #include "socket-util.h" |
d7f4ad20 | 38 | #include "stat-util.h" |
60e4fb42 | 39 | #include "string-table.h" |
6bedfcbb | 40 | #include "strv.h" |
ee104e11 | 41 | #include "user-util.h" |
64724e05 | 42 | #include "utf8.h" |
0a6598bb | 43 | #include "varlink-io.systemd.Hostname.h" |
6bedfcbb | 44 | #include "virt.h" |
91f9dcaf | 45 | |
799298d6 JG |
46 | #define VALID_DEPLOYMENT_CHARS (DIGITS LETTERS "-.:") |
47 | ||
f8da67cd LP |
48 | /* Properties we cache are indexed by an enum, to make invalidation easy and systematic (as we can iterate |
49 | * through them all, and they are uniformly strings). */ | |
4fc7e4f3 | 50 | typedef enum { |
d7f4ad20 | 51 | /* Read from /etc/hostname */ |
7640a5de | 52 | PROP_STATIC_HOSTNAME, |
d7f4ad20 LP |
53 | |
54 | /* Read from /etc/machine-info */ | |
7640a5de LP |
55 | PROP_PRETTY_HOSTNAME, |
56 | PROP_ICON_NAME, | |
7871c8e9 | 57 | PROP_CHASSIS, |
799298d6 | 58 | PROP_DEPLOYMENT, |
ce0f1493 | 59 | PROP_LOCATION, |
0924ea2b LP |
60 | PROP_HARDWARE_VENDOR, |
61 | PROP_HARDWARE_MODEL, | |
d7f4ad20 LP |
62 | |
63 | /* Read from /etc/os-release (or /usr/lib/os-release) */ | |
44c32988 DH |
64 | PROP_OS_PRETTY_NAME, |
65 | PROP_OS_CPE_NAME, | |
d7f4ad20 | 66 | PROP_OS_HOME_URL, |
b563d5ce | 67 | PROP_OS_SUPPORT_END, |
d7f4ad20 | 68 | _PROP_MAX, |
2d93c20e | 69 | _PROP_INVALID = -EINVAL, |
4fc7e4f3 | 70 | } HostProperty; |
7640a5de | 71 | |
66a4c743 LP |
72 | typedef struct Context { |
73 | char *data[_PROP_MAX]; | |
d7f4ad20 | 74 | |
60e4fb42 ZJS |
75 | HostnameSource hostname_source; |
76 | ||
d7f4ad20 LP |
77 | struct stat etc_hostname_stat; |
78 | struct stat etc_os_release_stat; | |
79 | struct stat etc_machine_info_stat; | |
80 | ||
96520e8b LP |
81 | sd_event *event; |
82 | sd_bus *bus; | |
0a6598bb | 83 | VarlinkServer *varlink_server; |
66a4c743 LP |
84 | Hashmap *polkit_registry; |
85 | } Context; | |
ad740100 | 86 | |
d7f4ad20 | 87 | static void context_reset(Context *c, uint64_t mask) { |
66a4c743 LP |
88 | assert(c); |
89 | ||
536970d4 | 90 | for (int p = 0; p < _PROP_MAX; p++) { |
d7f4ad20 LP |
91 | if (!FLAGS_SET(mask, UINT64_C(1) << p)) |
92 | continue; | |
93 | ||
a1e58e8e | 94 | c->data[p] = mfree(c->data[p]); |
d7f4ad20 | 95 | } |
7640a5de LP |
96 | } |
97 | ||
cfb9433d | 98 | static void context_destroy(Context *c) { |
66a4c743 LP |
99 | assert(c); |
100 | ||
d7f4ad20 | 101 | context_reset(c, UINT64_MAX); |
2a1ffd3e | 102 | hashmap_free(c->polkit_registry); |
96520e8b LP |
103 | sd_event_unref(c->event); |
104 | sd_bus_flush_close_unref(c->bus); | |
0a6598bb | 105 | varlink_server_unref(c->varlink_server); |
66a4c743 LP |
106 | } |
107 | ||
d7f4ad20 LP |
108 | static void context_read_etc_hostname(Context *c) { |
109 | struct stat current_stat = {}; | |
7640a5de LP |
110 | int r; |
111 | ||
66a4c743 LP |
112 | assert(c); |
113 | ||
d7f4ad20 LP |
114 | if (stat("/etc/hostname", ¤t_stat) >= 0 && |
115 | stat_inode_unmodified(&c->etc_hostname_stat, ¤t_stat)) | |
116 | return; | |
117 | ||
118 | context_reset(c, UINT64_C(1) << PROP_STATIC_HOSTNAME); | |
7640a5de | 119 | |
f35cb39e | 120 | r = read_etc_hostname(NULL, &c->data[PROP_STATIC_HOSTNAME]); |
7640a5de | 121 | if (r < 0 && r != -ENOENT) |
d7f4ad20 LP |
122 | log_warning_errno(r, "Failed to read /etc/hostname, ignoring: %m"); |
123 | ||
124 | c->etc_hostname_stat = current_stat; | |
125 | } | |
126 | ||
127 | static void context_read_machine_info(Context *c) { | |
128 | struct stat current_stat = {}; | |
129 | int r; | |
130 | ||
131 | assert(c); | |
132 | ||
133 | if (stat("/etc/machine-info", ¤t_stat) >= 0 && | |
134 | stat_inode_unmodified(&c->etc_machine_info_stat, ¤t_stat)) | |
135 | return; | |
136 | ||
137 | context_reset(c, | |
138 | (UINT64_C(1) << PROP_PRETTY_HOSTNAME) | | |
139 | (UINT64_C(1) << PROP_ICON_NAME) | | |
140 | (UINT64_C(1) << PROP_CHASSIS) | | |
141 | (UINT64_C(1) << PROP_DEPLOYMENT) | | |
38639aa2 LP |
142 | (UINT64_C(1) << PROP_LOCATION) | |
143 | (UINT64_C(1) << PROP_HARDWARE_VENDOR) | | |
144 | (UINT64_C(1) << PROP_HARDWARE_MODEL)); | |
7640a5de | 145 | |
aa8fbc74 | 146 | r = parse_env_file(NULL, "/etc/machine-info", |
66a4c743 LP |
147 | "PRETTY_HOSTNAME", &c->data[PROP_PRETTY_HOSTNAME], |
148 | "ICON_NAME", &c->data[PROP_ICON_NAME], | |
149 | "CHASSIS", &c->data[PROP_CHASSIS], | |
799298d6 | 150 | "DEPLOYMENT", &c->data[PROP_DEPLOYMENT], |
4fc7e4f3 | 151 | "LOCATION", &c->data[PROP_LOCATION], |
0924ea2b LP |
152 | "HARDWARE_VENDOR", &c->data[PROP_HARDWARE_VENDOR], |
153 | "HARDWARE_MODEL", &c->data[PROP_HARDWARE_MODEL]); | |
7640a5de | 154 | if (r < 0 && r != -ENOENT) |
d7f4ad20 LP |
155 | log_warning_errno(r, "Failed to read /etc/machine-info, ignoring: %m"); |
156 | ||
157 | c->etc_machine_info_stat = current_stat; | |
158 | } | |
159 | ||
160 | static void context_read_os_release(Context *c) { | |
02b7005e | 161 | _cleanup_free_ char *os_name = NULL, *os_pretty_name = NULL; |
d7f4ad20 LP |
162 | struct stat current_stat = {}; |
163 | int r; | |
164 | ||
165 | assert(c); | |
166 | ||
167 | if ((stat("/etc/os-release", ¤t_stat) >= 0 || | |
168 | stat("/usr/lib/os-release", ¤t_stat) >= 0) && | |
169 | stat_inode_unmodified(&c->etc_os_release_stat, ¤t_stat)) | |
170 | return; | |
171 | ||
172 | context_reset(c, | |
173 | (UINT64_C(1) << PROP_OS_PRETTY_NAME) | | |
174 | (UINT64_C(1) << PROP_OS_CPE_NAME) | | |
b563d5ce LP |
175 | (UINT64_C(1) << PROP_OS_HOME_URL) | |
176 | (UINT64_C(1) << PROP_OS_SUPPORT_END)); | |
7640a5de | 177 | |
d58ad743 | 178 | r = parse_os_release(NULL, |
02b7005e | 179 | "PRETTY_NAME", &os_pretty_name, |
b563d5ce LP |
180 | "NAME", &os_name, |
181 | "CPE_NAME", &c->data[PROP_OS_CPE_NAME], | |
182 | "HOME_URL", &c->data[PROP_OS_HOME_URL], | |
183 | "SUPPORT_END", &c->data[PROP_OS_SUPPORT_END]); | |
44c32988 | 184 | if (r < 0 && r != -ENOENT) |
d7f4ad20 | 185 | log_warning_errno(r, "Failed to read os-release file, ignoring: %m"); |
44c32988 | 186 | |
02b7005e LP |
187 | if (free_and_strdup(&c->data[PROP_OS_PRETTY_NAME], os_release_pretty_name(os_pretty_name, os_name)) < 0) |
188 | log_oom(); | |
189 | ||
d7f4ad20 | 190 | c->etc_os_release_stat = current_stat; |
7640a5de LP |
191 | } |
192 | ||
e7932afe LP |
193 | static bool use_dmi_data(void) { |
194 | int r; | |
195 | ||
196 | r = getenv_bool("SYSTEMD_HOSTNAME_FORCE_DMI"); | |
197 | if (r >= 0) { | |
198 | log_debug("Honouring $SYSTEMD_HOSTNAME_FORCE_DMI override: %s", yes_no(r)); | |
199 | return r; | |
200 | } | |
201 | if (r != -ENXIO) | |
202 | log_debug_errno(r, "Failed to parse $SYSTEMD_HOSTNAME_FORCE_DMI, ignoring: %m"); | |
203 | ||
204 | if (detect_container() > 0) { | |
205 | log_debug("Running in a container, not using DMI hardware data."); | |
206 | return false; | |
207 | } | |
208 | ||
209 | return true; | |
210 | } | |
211 | ||
8c8b1800 YW |
212 | static int get_dmi_data(const char *database_key, const char *regular_key, char **ret) { |
213 | _cleanup_(sd_device_unrefp) sd_device *device = NULL; | |
214 | _cleanup_free_ char *b = NULL; | |
215 | const char *s = NULL; | |
216 | int r; | |
217 | ||
e7932afe LP |
218 | if (!use_dmi_data()) |
219 | return -ENOENT; | |
220 | ||
8c8b1800 YW |
221 | r = sd_device_new_from_syspath(&device, "/sys/class/dmi/id"); |
222 | if (r < 0) | |
223 | return log_debug_errno(r, "Failed to open /sys/class/dmi/id device, ignoring: %m"); | |
224 | ||
225 | if (database_key) | |
226 | (void) sd_device_get_property_value(device, database_key, &s); | |
227 | if (!s && regular_key) | |
228 | (void) sd_device_get_property_value(device, regular_key, &s); | |
229 | ||
e6fccf02 LP |
230 | if (!ret) |
231 | return !!s; | |
232 | ||
8c8b1800 YW |
233 | if (s) { |
234 | b = strdup(s); | |
235 | if (!b) | |
236 | return -ENOMEM; | |
237 | } | |
238 | ||
e6fccf02 | 239 | *ret = TAKE_PTR(b); |
8c8b1800 YW |
240 | return !!s; |
241 | } | |
242 | ||
243 | static int get_hardware_vendor(char **ret) { | |
244 | return get_dmi_data("ID_VENDOR_FROM_DATABASE", "ID_VENDOR", ret); | |
245 | } | |
246 | ||
247 | static int get_hardware_model(char **ret) { | |
248 | return get_dmi_data("ID_MODEL_FROM_DATABASE", "ID_MODEL", ret); | |
249 | } | |
250 | ||
c52950c2 | 251 | static int get_hardware_firmware_data(const char *sysattr, char **ret) { |
96976629 | 252 | _cleanup_(sd_device_unrefp) sd_device *device = NULL; |
96976629 YW |
253 | const char *s = NULL; |
254 | int r; | |
255 | ||
c52950c2 SS |
256 | assert(sysattr); |
257 | ||
e7932afe LP |
258 | if (!use_dmi_data()) |
259 | return -ENOENT; | |
260 | ||
96976629 YW |
261 | r = sd_device_new_from_syspath(&device, "/sys/class/dmi/id"); |
262 | if (r < 0) | |
263 | return log_debug_errno(r, "Failed to open /sys/class/dmi/id device, ignoring: %m"); | |
264 | ||
c52950c2 | 265 | (void) sd_device_get_sysattr_value(device, sysattr, &s); |
96976629 | 266 | |
cb0734d5 LP |
267 | bool empty = isempty(s); |
268 | ||
269 | if (ret) { | |
270 | if (empty) | |
271 | *ret = NULL; | |
272 | else { | |
273 | _cleanup_free_ char *b = NULL; | |
274 | ||
275 | b = strdup(s); | |
276 | if (!b) | |
277 | return -ENOMEM; | |
278 | ||
279 | *ret = TAKE_PTR(b); | |
280 | } | |
281 | } | |
96976629 | 282 | |
cb0734d5 | 283 | return !empty; |
96976629 YW |
284 | } |
285 | ||
c52950c2 | 286 | static int get_hardware_serial(char **ret) { |
64724e05 LP |
287 | _cleanup_free_ char *b = NULL; |
288 | int r = 0; | |
289 | ||
290 | FOREACH_STRING(attr, "product_serial", "board_serial") { | |
291 | r = get_hardware_firmware_data(attr, &b); | |
292 | if (r != 0 && !ERRNO_IS_NEG_DEVICE_ABSENT(r)) | |
293 | break; | |
294 | } | |
295 | if (r < 0) | |
296 | return r; | |
297 | if (r == 0) | |
298 | return -ENOENT; | |
299 | ||
300 | /* Do some superficial validation: do not allow CCs and make sure D-Bus won't kick us off the bus | |
301 | * because we send invalid UTF-8 data */ | |
302 | ||
303 | if (string_has_cc(b, /* ok= */ NULL)) | |
304 | return -ENOENT; | |
305 | ||
306 | if (!utf8_is_valid(b)) | |
307 | return -ENOENT; | |
c52950c2 | 308 | |
64724e05 LP |
309 | if (ret) |
310 | *ret = TAKE_PTR(b); | |
c52950c2 | 311 | |
64724e05 | 312 | return 0; |
c52950c2 SS |
313 | } |
314 | ||
315 | static int get_firmware_version(char **ret) { | |
f3525b78 | 316 | return get_hardware_firmware_data("bios_version", ret); |
c52950c2 SS |
317 | } |
318 | ||
f233bbd6 | 319 | static int get_firmware_vendor(char **ret) { |
f3525b78 | 320 | return get_hardware_firmware_data("bios_vendor", ret); |
f233bbd6 JW |
321 | } |
322 | ||
ad8858c1 | 323 | static int get_firmware_date(usec_t *ret) { |
f3525b78 LP |
324 | _cleanup_free_ char *bios_date = NULL, *month = NULL, *day = NULL, *year = NULL; |
325 | int r; | |
ad8858c1 | 326 | |
f3525b78 | 327 | assert(ret); |
ad8858c1 | 328 | |
f3525b78 LP |
329 | r = get_hardware_firmware_data("bios_date", &bios_date); |
330 | if (r < 0) | |
ad8858c1 | 331 | return r; |
f3525b78 | 332 | if (r == 0) { |
ad8858c1 JW |
333 | *ret = USEC_INFINITY; |
334 | return 0; | |
f3525b78 | 335 | } |
ad8858c1 | 336 | |
f3525b78 LP |
337 | const char *p = bios_date; |
338 | r = extract_many_words(&p, "/", EXTRACT_DONT_COALESCE_SEPARATORS, &month, &day, &year, NULL); | |
339 | if (r < 0) | |
ad8858c1 | 340 | return r; |
f3525b78 | 341 | if (r != 3) /* less than three args read? */ |
ad8858c1 | 342 | return -EINVAL; |
f3525b78 | 343 | if (!isempty(p)) /* more left in the string? */ |
ad8858c1 JW |
344 | return -EINVAL; |
345 | ||
f3525b78 LP |
346 | unsigned m, d, y; |
347 | r = safe_atou_full(month, 10 | SAFE_ATO_REFUSE_PLUS_MINUS | SAFE_ATO_REFUSE_LEADING_WHITESPACE, &m); | |
348 | if (r < 0) | |
ad8858c1 | 349 | return r; |
f3525b78 | 350 | if (m < 1 || m > 12) |
ad8858c1 | 351 | return -EINVAL; |
f3525b78 | 352 | m -= 1; |
ad8858c1 | 353 | |
f3525b78 LP |
354 | r = safe_atou_full(day, 10 | SAFE_ATO_REFUSE_PLUS_MINUS | SAFE_ATO_REFUSE_LEADING_WHITESPACE, &d); |
355 | if (r < 0) | |
ad8858c1 | 356 | return r; |
f3525b78 | 357 | if (d < 1 || d > 31) |
ad8858c1 JW |
358 | return -EINVAL; |
359 | ||
f3525b78 LP |
360 | r = safe_atou_full(year, 10 | SAFE_ATO_REFUSE_PLUS_MINUS | SAFE_ATO_REFUSE_LEADING_WHITESPACE, &y); |
361 | if (r < 0) | |
ad8858c1 | 362 | return r; |
f3525b78 | 363 | if (y < 1970 || y > (unsigned) INT_MAX) |
ad8858c1 | 364 | return -EINVAL; |
f3525b78 | 365 | y -= 1900; |
ad8858c1 | 366 | |
f3525b78 | 367 | struct tm tm = { |
ad8858c1 JW |
368 | .tm_mday = d, |
369 | .tm_mon = m, | |
370 | .tm_year = y, | |
f3525b78 LP |
371 | }; |
372 | time_t v = timegm(&tm); | |
373 | if (v == (time_t) -1) | |
ad8858c1 | 374 | return -errno; |
f3525b78 | 375 | if (tm.tm_mday != (int) d || tm.tm_mon != (int) m || tm.tm_year != (int) y) |
ad8858c1 JW |
376 | return -EINVAL; /* date was not normalized? (e.g. "30th of feb") */ |
377 | ||
f3525b78 | 378 | *ret = (usec_t) v * USEC_PER_SEC; |
ad8858c1 | 379 | |
f3525b78 | 380 | return 0; |
ff4d26df JW |
381 | } |
382 | ||
e6e6ca82 | 383 | static const char* valid_chassis(const char *chassis) { |
7871c8e9 LP |
384 | assert(chassis); |
385 | ||
e6e6ca82 | 386 | return nulstr_get( |
7871c8e9 LP |
387 | "vm\0" |
388 | "container\0" | |
389 | "desktop\0" | |
390 | "laptop\0" | |
34b52450 | 391 | "convertible\0" |
7871c8e9 LP |
392 | "server\0" |
393 | "tablet\0" | |
c49e59c1 | 394 | "handset\0" |
25fa306e LP |
395 | "watch\0" |
396 | "embedded\0", | |
7871c8e9 LP |
397 | chassis); |
398 | } | |
399 | ||
799298d6 JG |
400 | static bool valid_deployment(const char *deployment) { |
401 | assert(deployment); | |
402 | ||
c2142cf1 | 403 | return in_charset(deployment, VALID_DEPLOYMENT_CHARS); |
799298d6 JG |
404 | } |
405 | ||
7871c8e9 | 406 | static const char* fallback_chassis(void) { |
e6e6ca82 | 407 | const char *chassis; |
68cdeab3 | 408 | _cleanup_free_ char *type = NULL; |
1b86c7c5 | 409 | Virtualization v; |
7640a5de | 410 | unsigned t; |
1b86c7c5 | 411 | int r; |
7871c8e9 | 412 | |
75f86906 | 413 | v = detect_virtualization(); |
2ac4d1d4 LP |
414 | if (v < 0) |
415 | log_debug_errno(v, "Failed to detect virtualization, ignoring: %m"); | |
416 | else if (VIRTUALIZATION_IS_VM(v)) | |
7871c8e9 | 417 | return "vm"; |
2ac4d1d4 | 418 | else if (VIRTUALIZATION_IS_CONTAINER(v)) |
7871c8e9 LP |
419 | return "container"; |
420 | ||
219bfe38 | 421 | r = read_one_line_file("/sys/class/dmi/id/chassis_type", &type); |
2ac4d1d4 | 422 | if (r < 0) { |
105a4245 | 423 | log_debug_errno(r, "Failed to read DMI chassis type, ignoring: %m"); |
219bfe38 | 424 | goto try_acpi; |
2ac4d1d4 | 425 | } |
7871c8e9 LP |
426 | |
427 | r = safe_atou(type, &t); | |
2ac4d1d4 | 428 | if (r < 0) { |
68cdeab3 | 429 | log_debug_errno(r, "Failed to parse DMI chassis type \"%s\", ignoring: %m", type); |
219bfe38 | 430 | goto try_acpi; |
2ac4d1d4 | 431 | } |
7871c8e9 | 432 | |
219bfe38 | 433 | /* We only list the really obvious cases here. The DMI data is unreliable enough, so let's not do any |
68cdeab3 ZJS |
434 | * additional guesswork on top of that. |
435 | * | |
67840dbf | 436 | * See the SMBIOS Specification 3.5.0 section 7.4.1 for details about the values listed here: |
68cdeab3 | 437 | * |
67840dbf | 438 | * https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.5.0.pdf |
7871c8e9 LP |
439 | */ |
440 | ||
219bfe38 | 441 | switch (t) { |
7871c8e9 | 442 | |
67840dbf LP |
443 | case 0x03: /* Desktop */ |
444 | case 0x04: /* Low Profile Desktop */ | |
445 | case 0x06: /* Mini Tower */ | |
446 | case 0x07: /* Tower */ | |
447 | case 0x0D: /* All in one (i.e. PC built into monitor) */ | |
448 | case 0x23: /* Mini PC */ | |
449 | case 0x24: /* Stick PC */ | |
7871c8e9 LP |
450 | return "desktop"; |
451 | ||
219bfe38 LP |
452 | case 0x8: /* Portable */ |
453 | case 0x9: /* Laptop */ | |
454 | case 0xA: /* Notebook */ | |
455 | case 0xE: /* Sub Notebook */ | |
7871c8e9 | 456 | return "laptop"; |
7640a5de | 457 | |
219bfe38 LP |
458 | case 0xB: /* Hand Held */ |
459 | return "handset"; | |
460 | ||
461 | case 0x11: /* Main Server Chassis */ | |
462 | case 0x1C: /* Blade */ | |
463 | case 0x1D: /* Blade Enclosure */ | |
7871c8e9 | 464 | return "server"; |
7640a5de | 465 | |
219bfe38 | 466 | case 0x1E: /* Tablet */ |
7871c8e9 | 467 | return "tablet"; |
b70af833 DH |
468 | |
469 | case 0x1F: /* Convertible */ | |
b4227dbb | 470 | case 0x20: /* Detachable */ |
b70af833 | 471 | return "convertible"; |
2ac4d1d4 | 472 | |
67840dbf LP |
473 | case 0x21: /* IoT Gateway */ |
474 | case 0x22: /* Embedded PC */ | |
475 | return "embedded"; | |
476 | ||
2ac4d1d4 LP |
477 | default: |
478 | log_debug("Unhandled DMI chassis type 0x%02x, ignoring.", t); | |
7871c8e9 LP |
479 | } |
480 | ||
219bfe38 | 481 | try_acpi: |
68cdeab3 | 482 | type = mfree(type); |
219bfe38 | 483 | r = read_one_line_file("/sys/firmware/acpi/pm_profile", &type); |
2ac4d1d4 | 484 | if (r < 0) { |
105a4245 | 485 | log_debug_errno(r, "Failed read ACPI PM profile, ignoring: %m"); |
e6e6ca82 | 486 | goto try_devicetree; |
2ac4d1d4 | 487 | } |
7640a5de LP |
488 | |
489 | r = safe_atou(type, &t); | |
2ac4d1d4 | 490 | if (r < 0) { |
68cdeab3 | 491 | log_debug_errno(r, "Failed parse ACPI PM profile \"%s\", ignoring: %m", type); |
e6e6ca82 | 492 | goto try_devicetree; |
2ac4d1d4 | 493 | } |
7640a5de | 494 | |
219bfe38 LP |
495 | /* We only list the really obvious cases here as the ACPI data is not really super reliable. |
496 | * | |
497 | * See the ACPI 5.0 Spec Section 5.2.9.1 for details: | |
498 | * | |
499 | * http://www.acpi.info/DOWNLOADS/ACPIspec50.pdf | |
41550d40 | 500 | */ |
7640a5de | 501 | |
79893116 | 502 | switch (t) { |
7640a5de | 503 | |
219bfe38 LP |
504 | case 1: /* Desktop */ |
505 | case 3: /* Workstation */ | |
506 | case 6: /* Appliance PC */ | |
7871c8e9 | 507 | return "desktop"; |
7640a5de | 508 | |
219bfe38 | 509 | case 2: /* Mobile */ |
7871c8e9 LP |
510 | return "laptop"; |
511 | ||
219bfe38 LP |
512 | case 4: /* Enterprise Server */ |
513 | case 5: /* SOHO Server */ | |
514 | case 7: /* Performance Server */ | |
7871c8e9 | 515 | return "server"; |
f3f4f008 | 516 | |
219bfe38 | 517 | case 8: /* Tablet */ |
f3f4f008 | 518 | return "tablet"; |
2ac4d1d4 LP |
519 | |
520 | default: | |
521 | log_debug("Unhandled ACPI PM profile 0x%02x, ignoring.", t); | |
7640a5de LP |
522 | } |
523 | ||
e6e6ca82 | 524 | try_devicetree: |
68cdeab3 | 525 | type = mfree(type); |
e6cbe697 | 526 | r = read_one_line_file("/proc/device-tree/chassis-type", &type); |
e6e6ca82 AF |
527 | if (r < 0) { |
528 | log_debug_errno(r, "Failed to read device-tree chassis type, ignoring: %m"); | |
529 | return NULL; | |
530 | } | |
531 | ||
532 | /* Note that the Devicetree specification uses the very same vocabulary | |
533 | * of chassis types as we do, hence we do not need to translate these types: | |
534 | * | |
535 | * https://github.com/devicetree-org/devicetree-specification/blob/master/source/chapter3-devicenodes.rst */ | |
536 | chassis = valid_chassis(type); | |
537 | if (!chassis) | |
68cdeab3 | 538 | log_debug("Invalid device-tree chassis type \"%s\", ignoring.", type); |
e6e6ca82 | 539 | return chassis; |
7640a5de LP |
540 | } |
541 | ||
8c8b1800 YW |
542 | static char* context_get_chassis(Context *c) { |
543 | const char *fallback; | |
544 | char *dmi; | |
7871c8e9 | 545 | |
66a4c743 LP |
546 | assert(c); |
547 | ||
548 | if (!isempty(c->data[PROP_CHASSIS])) | |
8c8b1800 YW |
549 | return strdup(c->data[PROP_CHASSIS]); |
550 | ||
471fdebf | 551 | if (get_dmi_data("ID_CHASSIS", NULL, &dmi) > 0) |
8c8b1800 YW |
552 | return dmi; |
553 | ||
554 | fallback = fallback_chassis(); | |
555 | if (fallback) | |
556 | return strdup(fallback); | |
557 | ||
558 | return NULL; | |
559 | } | |
560 | ||
561 | static char* context_fallback_icon_name(Context *c) { | |
562 | _cleanup_free_ char *chassis = NULL; | |
563 | ||
564 | assert(c); | |
7871c8e9 | 565 | |
8c8b1800 | 566 | chassis = context_get_chassis(c); |
7871c8e9 | 567 | if (chassis) |
b910cc72 | 568 | return strjoin("computer-", chassis); |
7871c8e9 LP |
569 | |
570 | return strdup("computer"); | |
571 | } | |
572 | ||
aa994368 LP |
573 | static int context_update_kernel_hostname( |
574 | Context *c, | |
575 | const char *transient_hn) { | |
576 | ||
05c6f341 | 577 | _cleanup_free_ char *_hn_free = NULL; |
d39079fc | 578 | const char *hn; |
60e4fb42 | 579 | HostnameSource hns; |
7d9ec609 | 580 | int r; |
7640a5de | 581 | |
66a4c743 LP |
582 | assert(c); |
583 | ||
d39079fc | 584 | /* /etc/hostname has the highest preference ... */ |
60e4fb42 | 585 | if (c->data[PROP_STATIC_HOSTNAME]) { |
d39079fc | 586 | hn = c->data[PROP_STATIC_HOSTNAME]; |
60e4fb42 | 587 | hns = HOSTNAME_STATIC; |
c779a442 | 588 | |
38b38500 | 589 | /* ... the transient hostname, (ie: DHCP) comes next ... */ |
60e4fb42 | 590 | } else if (transient_hn) { |
aa994368 | 591 | hn = transient_hn; |
60e4fb42 | 592 | hns = HOSTNAME_TRANSIENT; |
7640a5de | 593 | |
c779a442 | 594 | /* ... and the ultimate fallback */ |
60e4fb42 | 595 | } else { |
05c6f341 ZJS |
596 | hn = _hn_free = get_default_hostname(); |
597 | if (!hn) | |
598 | return log_oom(); | |
599 | ||
8770c813 | 600 | hns = HOSTNAME_DEFAULT; |
60e4fb42 | 601 | } |
c779a442 | 602 | |
7d9ec609 ZJS |
603 | r = sethostname_idempotent(hn); |
604 | if (r < 0) | |
60e4fb42 ZJS |
605 | return log_error_errno(r, "Failed to set hostname: %m"); |
606 | ||
607 | if (c->hostname_source != hns) { | |
608 | c->hostname_source = hns; | |
609 | r = 1; | |
610 | } | |
7640a5de | 611 | |
7782e0a0 | 612 | (void) nscd_flush_cache(STRV_MAKE("hosts")); |
60e4fb42 ZJS |
613 | |
614 | if (r == 0) | |
615 | log_debug("Hostname was already set to <%s>.", hn); | |
616 | else { | |
617 | log_info("Hostname set to <%s> (%s)", hn, hostname_source_to_string(hns)); | |
618 | ||
619 | hostname_update_source_hint(hn, hns); | |
620 | } | |
621 | ||
efda832d | 622 | return r; /* 0 if no change, 1 if something was done */ |
7640a5de LP |
623 | } |
624 | ||
ba12e41d YW |
625 | static void unset_statp(struct stat **p) { |
626 | if (!*p) | |
627 | return; | |
628 | ||
629 | **p = (struct stat) {}; | |
630 | } | |
631 | ||
66a4c743 | 632 | static int context_write_data_static_hostname(Context *c) { |
ba12e41d YW |
633 | _cleanup_(unset_statp) struct stat *s = NULL; |
634 | int r; | |
635 | ||
66a4c743 LP |
636 | assert(c); |
637 | ||
ba12e41d YW |
638 | /* Make sure that if we fail here, we invalidate the cached information, since it was updated |
639 | * already, even if we can't make it hit the disk. */ | |
640 | s = &c->etc_hostname_stat; | |
641 | ||
66a4c743 | 642 | if (isempty(c->data[PROP_STATIC_HOSTNAME])) { |
ba12e41d YW |
643 | if (unlink("/etc/hostname") < 0 && errno != ENOENT) |
644 | return -errno; | |
645 | ||
646 | TAKE_PTR(s); | |
7640a5de LP |
647 | return 0; |
648 | } | |
536970d4 | 649 | |
ba12e41d YW |
650 | r = write_string_file_atomic_label("/etc/hostname", c->data[PROP_STATIC_HOSTNAME]); |
651 | if (r < 0) | |
652 | return r; | |
653 | ||
654 | TAKE_PTR(s); | |
655 | return 0; | |
7640a5de LP |
656 | } |
657 | ||
f200e8bb | 658 | static int context_write_data_machine_info(Context *c) { |
ba12e41d | 659 | _cleanup_(unset_statp) struct stat *s = NULL; |
7640a5de LP |
660 | static const char * const name[_PROP_MAX] = { |
661 | [PROP_PRETTY_HOSTNAME] = "PRETTY_HOSTNAME", | |
7871c8e9 | 662 | [PROP_ICON_NAME] = "ICON_NAME", |
799298d6 JG |
663 | [PROP_CHASSIS] = "CHASSIS", |
664 | [PROP_DEPLOYMENT] = "DEPLOYMENT", | |
ce0f1493 | 665 | [PROP_LOCATION] = "LOCATION", |
7640a5de | 666 | }; |
0ccad099 | 667 | _cleanup_strv_free_ char **l = NULL; |
536970d4 | 668 | int r; |
7640a5de | 669 | |
66a4c743 LP |
670 | assert(c); |
671 | ||
ba12e41d YW |
672 | /* Make sure that if we fail here, we invalidate the cached information, since it was updated |
673 | * already, even if we can't make it hit the disk. */ | |
674 | s = &c->etc_machine_info_stat; | |
675 | ||
aa8fbc74 | 676 | r = load_env_file(NULL, "/etc/machine-info", &l); |
7640a5de LP |
677 | if (r < 0 && r != -ENOENT) |
678 | return r; | |
679 | ||
536970d4 | 680 | for (int p = PROP_PRETTY_HOSTNAME; p <= PROP_LOCATION; p++) { |
7640a5de LP |
681 | assert(name[p]); |
682 | ||
f08231fe ZJS |
683 | r = strv_env_assign(&l, name[p], empty_to_null(c->data[p])); |
684 | if (r < 0) | |
685 | return r; | |
7640a5de LP |
686 | } |
687 | ||
688 | if (strv_isempty(l)) { | |
ba12e41d YW |
689 | if (unlink("/etc/machine-info") < 0 && errno != ENOENT) |
690 | return -errno; | |
7640a5de | 691 | |
ba12e41d | 692 | TAKE_PTR(s); |
7640a5de LP |
693 | return 0; |
694 | } | |
695 | ||
f155cb6d | 696 | r = write_env_file_label(AT_FDCWD, "/etc/machine-info", NULL, l); |
ba12e41d YW |
697 | if (r < 0) |
698 | return r; | |
699 | ||
700 | TAKE_PTR(s); | |
701 | return 0; | |
7640a5de LP |
702 | } |
703 | ||
4fc7e4f3 YW |
704 | static int property_get_hardware_property( |
705 | sd_bus_message *reply, | |
706 | Context *c, | |
707 | HostProperty prop, | |
708 | int (*getter)(char **)) { | |
709 | ||
710 | _cleanup_free_ char *from_dmi = NULL; | |
711 | ||
712 | assert(reply); | |
713 | assert(c); | |
0924ea2b | 714 | assert(IN_SET(prop, PROP_HARDWARE_VENDOR, PROP_HARDWARE_MODEL)); |
4fc7e4f3 YW |
715 | assert(getter); |
716 | ||
717 | context_read_machine_info(c); | |
718 | ||
719 | if (isempty(c->data[prop])) | |
720 | (void) getter(&from_dmi); | |
721 | ||
722 | return sd_bus_message_append(reply, "s", from_dmi ?: c->data[prop]); | |
723 | } | |
724 | ||
b9d80698 FB |
725 | static int property_get_hardware_vendor( |
726 | sd_bus *bus, | |
727 | const char *path, | |
728 | const char *interface, | |
729 | const char *property, | |
730 | sd_bus_message *reply, | |
731 | void *userdata, | |
732 | sd_bus_error *error) { | |
b9d80698 | 733 | |
0924ea2b | 734 | return property_get_hardware_property(reply, userdata, PROP_HARDWARE_VENDOR, get_hardware_vendor); |
b9d80698 FB |
735 | } |
736 | ||
737 | static int property_get_hardware_model( | |
738 | sd_bus *bus, | |
739 | const char *path, | |
740 | const char *interface, | |
741 | const char *property, | |
742 | sd_bus_message *reply, | |
743 | void *userdata, | |
744 | sd_bus_error *error) { | |
b9d80698 | 745 | |
0924ea2b | 746 | return property_get_hardware_property(reply, userdata, PROP_HARDWARE_MODEL, get_hardware_model); |
b9d80698 FB |
747 | } |
748 | ||
c52950c2 SS |
749 | static int property_get_firmware_version( |
750 | sd_bus *bus, | |
751 | const char *path, | |
752 | const char *interface, | |
753 | const char *property, | |
754 | sd_bus_message *reply, | |
755 | void *userdata, | |
756 | sd_bus_error *error) { | |
757 | ||
758 | _cleanup_free_ char *firmware_version = NULL; | |
759 | ||
760 | (void) get_firmware_version(&firmware_version); | |
761 | ||
762 | return sd_bus_message_append(reply, "s", firmware_version); | |
763 | } | |
764 | ||
f233bbd6 JW |
765 | static int property_get_firmware_vendor( |
766 | sd_bus *bus, | |
767 | const char *path, | |
768 | const char *interface, | |
769 | const char *property, | |
770 | sd_bus_message *reply, | |
771 | void *userdata, | |
772 | sd_bus_error *error) { | |
773 | ||
774 | _cleanup_free_ char *firmware_vendor = NULL; | |
775 | ||
776 | (void) get_firmware_vendor(&firmware_vendor); | |
777 | ||
778 | return sd_bus_message_append(reply, "s", firmware_vendor); | |
779 | } | |
780 | ||
ff4d26df JW |
781 | static int property_get_firmware_date( |
782 | sd_bus *bus, | |
783 | const char *path, | |
784 | const char *interface, | |
785 | const char *property, | |
786 | sd_bus_message *reply, | |
787 | void *userdata, | |
788 | sd_bus_error *error) { | |
789 | ||
ad8858c1 | 790 | usec_t firmware_date = USEC_INFINITY; |
ff4d26df JW |
791 | |
792 | (void) get_firmware_date(&firmware_date); | |
793 | ||
ad8858c1 | 794 | return sd_bus_message_append(reply, "t", firmware_date); |
ff4d26df | 795 | } |
aa994368 LP |
796 | static int property_get_hostname( |
797 | sd_bus *bus, | |
798 | const char *path, | |
799 | const char *interface, | |
800 | const char *property, | |
801 | sd_bus_message *reply, | |
802 | void *userdata, | |
803 | sd_bus_error *error) { | |
804 | ||
05c6f341 | 805 | _cleanup_free_ char *hn = NULL; |
aa994368 LP |
806 | int r; |
807 | ||
05c6f341 ZJS |
808 | r = gethostname_strict(&hn); |
809 | if (r < 0) { | |
810 | if (r != -ENXIO) | |
811 | return r; | |
aa994368 | 812 | |
05c6f341 ZJS |
813 | hn = get_default_hostname(); |
814 | if (!hn) | |
815 | return -ENOMEM; | |
816 | } | |
817 | ||
818 | return sd_bus_message_append(reply, "s", hn); | |
aa994368 LP |
819 | } |
820 | ||
d7f4ad20 LP |
821 | static int property_get_static_hostname( |
822 | sd_bus *bus, | |
823 | const char *path, | |
824 | const char *interface, | |
825 | const char *property, | |
826 | sd_bus_message *reply, | |
827 | void *userdata, | |
828 | sd_bus_error *error) { | |
829 | ||
99534007 | 830 | Context *c = ASSERT_PTR(userdata); |
d7f4ad20 LP |
831 | |
832 | context_read_etc_hostname(c); | |
833 | ||
834 | return sd_bus_message_append(reply, "s", c->data[PROP_STATIC_HOSTNAME]); | |
835 | } | |
836 | ||
8770c813 | 837 | static int property_get_default_hostname( |
05c6f341 ZJS |
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 | ||
61d44b6b LP |
846 | _cleanup_free_ char *hn = NULL; |
847 | ||
848 | hn = get_default_hostname(); | |
05c6f341 ZJS |
849 | if (!hn) |
850 | return log_oom(); | |
851 | ||
852 | return sd_bus_message_append(reply, "s", hn); | |
853 | } | |
ce6b138c | 854 | |
f2a434a5 | 855 | static void context_determine_hostname_source(Context *c) { |
0995accd | 856 | _cleanup_free_ char *hostname = NULL; |
f2a434a5 LP |
857 | int r; |
858 | ||
859 | assert(c); | |
860 | ||
861 | if (c->hostname_source >= 0) | |
862 | return; | |
863 | ||
0995accd | 864 | (void) gethostname_full(GET_HOSTNAME_ALLOW_LOCALHOST, &hostname); |
f2a434a5 LP |
865 | |
866 | if (streq_ptr(hostname, c->data[PROP_STATIC_HOSTNAME])) | |
867 | c->hostname_source = HOSTNAME_STATIC; | |
868 | else { | |
0995accd YW |
869 | _cleanup_free_ char *fallback = NULL; |
870 | ||
f2a434a5 LP |
871 | /* If the hostname was not set by us, try to figure out where it came from. If we set it to |
872 | * the default hostname, the file will tell us. We compare the string because it is possible | |
32e27670 LP |
873 | * that the hostname was set by an older version that had a different fallback, in the initrd |
874 | * or before we reexecuted. */ | |
f2a434a5 LP |
875 | |
876 | r = read_one_line_file("/run/systemd/default-hostname", &fallback); | |
877 | if (r < 0 && r != -ENOENT) | |
878 | log_warning_errno(r, "Failed to read /run/systemd/default-hostname, ignoring: %m"); | |
879 | ||
880 | if (streq_ptr(fallback, hostname)) | |
881 | c->hostname_source = HOSTNAME_DEFAULT; | |
882 | else | |
883 | c->hostname_source = HOSTNAME_TRANSIENT; | |
884 | } | |
885 | } | |
886 | ||
60e4fb42 ZJS |
887 | static int property_get_hostname_source( |
888 | sd_bus *bus, | |
889 | const char *path, | |
890 | const char *interface, | |
891 | const char *property, | |
892 | sd_bus_message *reply, | |
893 | void *userdata, | |
894 | sd_bus_error *error) { | |
895 | ||
99534007 | 896 | Context *c = ASSERT_PTR(userdata); |
60e4fb42 ZJS |
897 | |
898 | context_read_etc_hostname(c); | |
f2a434a5 | 899 | context_determine_hostname_source(c); |
60e4fb42 ZJS |
900 | |
901 | return sd_bus_message_append(reply, "s", hostname_source_to_string(c->hostname_source)); | |
902 | } | |
903 | ||
d7f4ad20 LP |
904 | static int property_get_machine_info_field( |
905 | sd_bus *bus, | |
906 | const char *path, | |
907 | const char *interface, | |
908 | const char *property, | |
909 | sd_bus_message *reply, | |
910 | void *userdata, | |
911 | sd_bus_error *error) { | |
912 | ||
913 | sd_bus_slot *slot; | |
914 | Context *c; | |
915 | ||
916 | /* Acquire the context object without this property's userdata offset added. Explanation: we want | |
917 | * access to two pointers here: a) the main context object we cache all properties in, and b) the | |
918 | * pointer to the property field inside the context object that we are supposed to update and | |
919 | * use. The latter (b) we get in the 'userdata' function parameter, and sd-bus calculates that for us | |
920 | * from the 'userdata' pointer we supplied when the vtable was registered, with the offset we | |
921 | * specified in the vtable added on top. To get the former (a) we need the 'userdata' pointer from | |
922 | * the vtable registration directly, without the offset added. Hence we ask sd-bus what the slot | |
923 | * object is (which encapsulates the vtable registration), and then query the 'userdata' field | |
924 | * directly off it. */ | |
925 | assert_se(slot = sd_bus_get_current_slot(bus)); | |
926 | assert_se(c = sd_bus_slot_get_userdata(slot)); | |
927 | ||
928 | context_read_machine_info(c); | |
929 | ||
930 | return sd_bus_message_append(reply, "s", *(char**) userdata); | |
931 | } | |
932 | ||
933 | static int property_get_os_release_field( | |
934 | sd_bus *bus, | |
935 | const char *path, | |
936 | const char *interface, | |
937 | const char *property, | |
938 | sd_bus_message *reply, | |
939 | void *userdata, | |
940 | sd_bus_error *error) { | |
941 | ||
942 | sd_bus_slot *slot; | |
943 | Context *c; | |
944 | ||
945 | /* As above, acquire the current context without this property's userdata offset added. */ | |
946 | assert_se(slot = sd_bus_get_current_slot(bus)); | |
947 | assert_se(c = sd_bus_slot_get_userdata(slot)); | |
948 | ||
949 | context_read_os_release(c); | |
950 | ||
951 | return sd_bus_message_append(reply, "s", *(char**) userdata); | |
952 | } | |
953 | ||
b563d5ce LP |
954 | static int property_get_os_support_end( |
955 | sd_bus *bus, | |
956 | const char *path, | |
957 | const char *interface, | |
958 | const char *property, | |
959 | sd_bus_message *reply, | |
960 | void *userdata, | |
961 | sd_bus_error *error) { | |
962 | ||
963 | Context *c = userdata; | |
964 | usec_t eol = USEC_INFINITY; | |
965 | ||
966 | context_read_os_release(c); | |
967 | ||
968 | if (c->data[PROP_OS_SUPPORT_END]) | |
969 | (void) os_release_support_ended(c->data[PROP_OS_SUPPORT_END], /* quiet= */ false, &eol); | |
970 | ||
971 | return sd_bus_message_append(reply, "t", eol); | |
972 | } | |
973 | ||
66a4c743 LP |
974 | static int property_get_icon_name( |
975 | sd_bus *bus, | |
976 | const char *path, | |
977 | const char *interface, | |
978 | const char *property, | |
979 | sd_bus_message *reply, | |
ebcf1f97 LP |
980 | void *userdata, |
981 | sd_bus_error *error) { | |
7640a5de | 982 | |
66a4c743 LP |
983 | _cleanup_free_ char *n = NULL; |
984 | Context *c = userdata; | |
985 | const char *name; | |
7640a5de | 986 | |
d7f4ad20 LP |
987 | context_read_machine_info(c); |
988 | ||
66a4c743 LP |
989 | if (isempty(c->data[PROP_ICON_NAME])) |
990 | name = n = context_fallback_icon_name(c); | |
7640a5de | 991 | else |
66a4c743 LP |
992 | name = c->data[PROP_ICON_NAME]; |
993 | ||
994 | if (!name) | |
995 | return -ENOMEM; | |
7640a5de | 996 | |
ebcf1f97 | 997 | return sd_bus_message_append(reply, "s", name); |
7640a5de LP |
998 | } |
999 | ||
66a4c743 LP |
1000 | static int property_get_chassis( |
1001 | sd_bus *bus, | |
1002 | const char *path, | |
1003 | const char *interface, | |
1004 | const char *property, | |
1005 | sd_bus_message *reply, | |
ebcf1f97 LP |
1006 | void *userdata, |
1007 | sd_bus_error *error) { | |
7871c8e9 | 1008 | |
8c8b1800 | 1009 | _cleanup_free_ char *chassis = NULL; |
66a4c743 | 1010 | Context *c = userdata; |
7871c8e9 | 1011 | |
d7f4ad20 LP |
1012 | context_read_machine_info(c); |
1013 | ||
8c8b1800 | 1014 | chassis = context_get_chassis(c); |
7871c8e9 | 1015 | |
8c8b1800 | 1016 | return sd_bus_message_append(reply, "s", chassis); |
7871c8e9 LP |
1017 | } |
1018 | ||
72f48cd3 LP |
1019 | static int property_get_uname_field( |
1020 | sd_bus *bus, | |
1021 | const char *path, | |
1022 | const char *interface, | |
1023 | const char *property, | |
1024 | sd_bus_message *reply, | |
1025 | void *userdata, | |
1026 | sd_bus_error *error) { | |
1027 | ||
1028 | struct utsname u; | |
1029 | ||
1030 | assert_se(uname(&u) >= 0); | |
1031 | ||
1032 | return sd_bus_message_append(reply, "s", (char*) &u + PTR_TO_SIZE(userdata)); | |
1033 | } | |
1034 | ||
5db7eb21 YW |
1035 | static int property_get_machine_id( |
1036 | sd_bus *bus, | |
1037 | const char *path, | |
1038 | const char *interface, | |
1039 | const char *property, | |
1040 | sd_bus_message *reply, | |
1041 | void *userdata, | |
1042 | sd_bus_error *error) { | |
1043 | ||
1044 | sd_id128_t id; | |
1045 | int r; | |
1046 | ||
1047 | r = sd_id128_get_machine(&id); | |
1048 | if (r < 0) | |
1049 | return r; | |
1050 | ||
1051 | return bus_property_get_id128(bus, path, interface, property, reply, &id, error); | |
1052 | } | |
1053 | ||
1054 | static int property_get_boot_id( | |
1055 | sd_bus *bus, | |
1056 | const char *path, | |
1057 | const char *interface, | |
1058 | const char *property, | |
1059 | sd_bus_message *reply, | |
1060 | void *userdata, | |
1061 | sd_bus_error *error) { | |
1062 | ||
1063 | sd_id128_t id; | |
1064 | int r; | |
1065 | ||
1066 | r = sd_id128_get_boot(&id); | |
1067 | if (r < 0) | |
1068 | return r; | |
1069 | ||
1070 | return bus_property_get_id128(bus, path, interface, property, reply, &id, error); | |
1071 | } | |
1072 | ||
19b8e712 LP |
1073 | static int property_get_vsock_cid( |
1074 | sd_bus *bus, | |
1075 | const char *path, | |
1076 | const char *interface, | |
1077 | const char *property, | |
1078 | sd_bus_message *reply, | |
1079 | void *userdata, | |
1080 | sd_bus_error *error) { | |
1081 | ||
1082 | unsigned local_cid = VMADDR_CID_ANY; | |
1083 | ||
1084 | (void) vsock_get_local_cid(&local_cid); | |
1085 | ||
1086 | return sd_bus_message_append(reply, "u", (uint32_t) local_cid); | |
1087 | } | |
1088 | ||
19070062 | 1089 | static int method_set_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
99534007 | 1090 | Context *c = ASSERT_PTR(userdata); |
66a4c743 | 1091 | const char *name; |
aa994368 | 1092 | int interactive, r; |
d200735e | 1093 | |
19070062 | 1094 | assert(m); |
19070062 | 1095 | |
66a4c743 LP |
1096 | r = sd_bus_message_read(m, "sb", &name, &interactive); |
1097 | if (r < 0) | |
ebcf1f97 | 1098 | return r; |
d200735e | 1099 | |
60e4fb42 | 1100 | name = empty_to_null(name); |
7640a5de | 1101 | |
60e4fb42 ZJS |
1102 | /* We always go through with the procedure below without comparing to the current hostname, because |
1103 | * we might want to adjust hostname source information even if the actual hostname is unchanged. */ | |
7640a5de | 1104 | |
f190ac48 | 1105 | if (name && !hostname_is_valid(name, 0)) |
ebcf1f97 | 1106 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid hostname '%s'", name); |
7640a5de | 1107 | |
60e4fb42 | 1108 | context_read_etc_hostname(c); |
7640a5de | 1109 | |
7b36fb9f | 1110 | r = bus_verify_polkit_async_full( |
c529695e | 1111 | m, |
c529695e | 1112 | "org.freedesktop.hostname1.set-hostname", |
7b36fb9f | 1113 | /* details= */ NULL, |
c529695e | 1114 | interactive, |
7b36fb9f | 1115 | /* good_user= */ UID_INVALID, |
c529695e LP |
1116 | &c->polkit_registry, |
1117 | error); | |
66a4c743 | 1118 | if (r < 0) |
ebcf1f97 | 1119 | return r; |
66a4c743 LP |
1120 | if (r == 0) |
1121 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7640a5de | 1122 | |
aa994368 | 1123 | r = context_update_kernel_hostname(c, name); |
60e4fb42 | 1124 | if (r < 0) |
1b4cd646 | 1125 | return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m"); |
60e4fb42 | 1126 | else if (r > 0) |
efda832d ZJS |
1127 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
1128 | "/org/freedesktop/hostname1", "org.freedesktop.hostname1", | |
1129 | "Hostname", "HostnameSource", NULL); | |
7640a5de | 1130 | |
df2d202e | 1131 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 1132 | } |
7640a5de | 1133 | |
19070062 | 1134 | static int method_set_static_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
99534007 | 1135 | Context *c = ASSERT_PTR(userdata); |
66a4c743 | 1136 | const char *name; |
102d8f81 | 1137 | int interactive; |
66a4c743 | 1138 | int r; |
7640a5de | 1139 | |
19070062 | 1140 | assert(m); |
19070062 | 1141 | |
66a4c743 LP |
1142 | r = sd_bus_message_read(m, "sb", &name, &interactive); |
1143 | if (r < 0) | |
ebcf1f97 | 1144 | return r; |
7640a5de | 1145 | |
3c6f7c34 | 1146 | name = empty_to_null(name); |
7640a5de | 1147 | |
d7f4ad20 LP |
1148 | context_read_etc_hostname(c); |
1149 | ||
66a4c743 | 1150 | if (streq_ptr(name, c->data[PROP_STATIC_HOSTNAME])) |
df2d202e | 1151 | return sd_bus_reply_method_return(m, NULL); |
7640a5de | 1152 | |
60e4fb42 | 1153 | if (name && !hostname_is_valid(name, 0)) |
c650f207 YW |
1154 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid static hostname '%s'", name); |
1155 | ||
7b36fb9f | 1156 | r = bus_verify_polkit_async_full( |
c529695e | 1157 | m, |
c529695e | 1158 | "org.freedesktop.hostname1.set-static-hostname", |
7b36fb9f | 1159 | /* details= */ NULL, |
c529695e | 1160 | interactive, |
7b36fb9f | 1161 | /* good_user= */ UID_INVALID, |
c529695e LP |
1162 | &c->polkit_registry, |
1163 | error); | |
66a4c743 | 1164 | if (r < 0) |
ebcf1f97 | 1165 | return r; |
66a4c743 LP |
1166 | if (r == 0) |
1167 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7640a5de | 1168 | |
e8acf091 | 1169 | r = free_and_strdup_warn(&c->data[PROP_STATIC_HOSTNAME], name); |
c650f207 YW |
1170 | if (r < 0) |
1171 | return r; | |
7640a5de | 1172 | |
66a4c743 LP |
1173 | r = context_write_data_static_hostname(c); |
1174 | if (r < 0) { | |
38b38500 | 1175 | log_error_errno(r, "Failed to write static hostname: %m"); |
957991b7 YW |
1176 | if (ERRNO_IS_PRIVILEGE(r)) |
1177 | return sd_bus_error_set(error, BUS_ERROR_FILE_IS_PROTECTED, "Not allowed to update /etc/hostname."); | |
1178 | if (r == -EROFS) | |
1179 | return sd_bus_error_set(error, BUS_ERROR_READ_ONLY_FILESYSTEM, "/etc/hostname is in a read-only filesystem."); | |
1b4cd646 | 1180 | return sd_bus_error_set_errnof(error, r, "Failed to set static hostname: %m"); |
66a4c743 | 1181 | } |
7640a5de | 1182 | |
60e4fb42 ZJS |
1183 | r = context_update_kernel_hostname(c, NULL); |
1184 | if (r < 0) { | |
1185 | log_error_errno(r, "Failed to set hostname: %m"); | |
1186 | return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m"); | |
1187 | } | |
7640a5de | 1188 | |
efda832d | 1189 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
60e4fb42 ZJS |
1190 | "/org/freedesktop/hostname1", "org.freedesktop.hostname1", |
1191 | "StaticHostname", "Hostname", "HostnameSource", NULL); | |
7640a5de | 1192 | |
df2d202e | 1193 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 1194 | } |
7640a5de | 1195 | |
19070062 | 1196 | static int set_machine_info(Context *c, sd_bus_message *m, int prop, sd_bus_message_handler_t cb, sd_bus_error *error) { |
102d8f81 | 1197 | int interactive; |
66a4c743 LP |
1198 | const char *name; |
1199 | int r; | |
1200 | ||
1201 | assert(c); | |
66a4c743 LP |
1202 | assert(m); |
1203 | ||
1204 | r = sd_bus_message_read(m, "sb", &name, &interactive); | |
1205 | if (r < 0) | |
ebcf1f97 | 1206 | return r; |
66a4c743 | 1207 | |
3c6f7c34 | 1208 | name = empty_to_null(name); |
66a4c743 | 1209 | |
d7f4ad20 LP |
1210 | context_read_machine_info(c); |
1211 | ||
66a4c743 | 1212 | if (streq_ptr(name, c->data[prop])) |
df2d202e | 1213 | return sd_bus_reply_method_return(m, NULL); |
7640a5de | 1214 | |
c650f207 YW |
1215 | if (!isempty(name)) { |
1216 | /* The icon name might ultimately be used as file | |
1217 | * name, so better be safe than sorry */ | |
1218 | ||
1219 | if (prop == PROP_ICON_NAME && !filename_is_valid(name)) | |
1220 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid icon name '%s'", name); | |
1221 | if (prop == PROP_PRETTY_HOSTNAME && string_has_cc(name, NULL)) | |
38b38500 | 1222 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid pretty hostname '%s'", name); |
c650f207 YW |
1223 | if (prop == PROP_CHASSIS && !valid_chassis(name)) |
1224 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid chassis '%s'", name); | |
1225 | if (prop == PROP_DEPLOYMENT && !valid_deployment(name)) | |
1226 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid deployment '%s'", name); | |
1227 | if (prop == PROP_LOCATION && string_has_cc(name, NULL)) | |
1228 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid location '%s'", name); | |
1229 | } | |
1230 | ||
7b36fb9f LP |
1231 | /* Since the pretty hostname should always be changed at the same time as the static one, use the |
1232 | * same policy action for both... */ | |
66a4c743 | 1233 | |
7b36fb9f | 1234 | r = bus_verify_polkit_async_full( |
c529695e | 1235 | m, |
c529695e | 1236 | prop == PROP_PRETTY_HOSTNAME ? "org.freedesktop.hostname1.set-static-hostname" : "org.freedesktop.hostname1.set-machine-info", |
7b36fb9f | 1237 | /* details= */ NULL, |
c529695e | 1238 | interactive, |
7b36fb9f | 1239 | /* good_user= */ UID_INVALID, |
c529695e LP |
1240 | &c->polkit_registry, |
1241 | error); | |
66a4c743 | 1242 | if (r < 0) |
ebcf1f97 | 1243 | return r; |
66a4c743 LP |
1244 | if (r == 0) |
1245 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1246 | ||
e8acf091 | 1247 | r = free_and_strdup_warn(&c->data[prop], name); |
c650f207 YW |
1248 | if (r < 0) |
1249 | return r; | |
7640a5de | 1250 | |
f200e8bb | 1251 | r = context_write_data_machine_info(c); |
66a4c743 | 1252 | if (r < 0) { |
da927ba9 | 1253 | log_error_errno(r, "Failed to write machine info: %m"); |
957991b7 YW |
1254 | if (ERRNO_IS_PRIVILEGE(r)) |
1255 | return sd_bus_error_set(error, BUS_ERROR_FILE_IS_PROTECTED, "Not allowed to update /etc/machine-info."); | |
1256 | if (r == -EROFS) | |
1257 | return sd_bus_error_set(error, BUS_ERROR_READ_ONLY_FILESYSTEM, "/etc/machine-info is in a read-only filesystem."); | |
1b4cd646 | 1258 | return sd_bus_error_set_errnof(error, r, "Failed to write machine info: %m"); |
66a4c743 | 1259 | } |
7640a5de | 1260 | |
66a4c743 | 1261 | log_info("Changed %s to '%s'", |
38b38500 | 1262 | prop == PROP_PRETTY_HOSTNAME ? "pretty hostname" : |
799298d6 | 1263 | prop == PROP_DEPLOYMENT ? "deployment" : |
ce0f1493 | 1264 | prop == PROP_LOCATION ? "location" : |
66a4c743 | 1265 | prop == PROP_CHASSIS ? "chassis" : "icon name", strna(c->data[prop])); |
7640a5de | 1266 | |
19070062 LP |
1267 | (void) sd_bus_emit_properties_changed( |
1268 | sd_bus_message_get_bus(m), | |
1269 | "/org/freedesktop/hostname1", | |
1270 | "org.freedesktop.hostname1", | |
1271 | prop == PROP_PRETTY_HOSTNAME ? "PrettyHostname" : | |
1272 | prop == PROP_DEPLOYMENT ? "Deployment" : | |
1273 | prop == PROP_LOCATION ? "Location" : | |
1274 | prop == PROP_CHASSIS ? "Chassis" : "IconName" , NULL); | |
7640a5de | 1275 | |
df2d202e | 1276 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 1277 | } |
7640a5de | 1278 | |
19070062 LP |
1279 | static int method_set_pretty_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1280 | return set_machine_info(userdata, m, PROP_PRETTY_HOSTNAME, method_set_pretty_hostname, error); | |
7640a5de LP |
1281 | } |
1282 | ||
19070062 LP |
1283 | static int method_set_icon_name(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1284 | return set_machine_info(userdata, m, PROP_ICON_NAME, method_set_icon_name, error); | |
66a4c743 LP |
1285 | } |
1286 | ||
19070062 LP |
1287 | static int method_set_chassis(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1288 | return set_machine_info(userdata, m, PROP_CHASSIS, method_set_chassis, error); | |
66a4c743 LP |
1289 | } |
1290 | ||
19070062 LP |
1291 | static int method_set_deployment(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1292 | return set_machine_info(userdata, m, PROP_DEPLOYMENT, method_set_deployment, error); | |
799298d6 JG |
1293 | } |
1294 | ||
19070062 LP |
1295 | static int method_set_location(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1296 | return set_machine_info(userdata, m, PROP_LOCATION, method_set_location, error); | |
ce0f1493 LP |
1297 | } |
1298 | ||
21e627da YW |
1299 | static int method_get_product_uuid(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1300 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
99534007 | 1301 | Context *c = ASSERT_PTR(userdata); |
21e627da | 1302 | int interactive, r; |
5704cd73 | 1303 | sd_id128_t uuid; |
21e627da YW |
1304 | |
1305 | assert(m); | |
21e627da | 1306 | |
21e627da YW |
1307 | r = sd_bus_message_read(m, "b", &interactive); |
1308 | if (r < 0) | |
1309 | return r; | |
1310 | ||
7b36fb9f | 1311 | r = bus_verify_polkit_async_full( |
21e627da | 1312 | m, |
21e627da | 1313 | "org.freedesktop.hostname1.get-product-uuid", |
7b36fb9f | 1314 | /* details= */ NULL, |
21e627da | 1315 | interactive, |
7b36fb9f | 1316 | /* good_user= */ UID_INVALID, |
21e627da YW |
1317 | &c->polkit_registry, |
1318 | error); | |
1319 | if (r < 0) | |
1320 | return r; | |
1321 | if (r == 0) | |
1322 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1323 | ||
66ee2298 LP |
1324 | r = id128_get_product(&uuid); |
1325 | if (r < 0) { | |
1326 | if (r == -EADDRNOTAVAIL) | |
1327 | log_debug_errno(r, "DMI product UUID is all 0x00 or all 0xFF, ignoring."); | |
1328 | else | |
1329 | log_full_errno(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, r, | |
1330 | "Failed to read product UUID, ignoring: %m"); | |
1331 | ||
1332 | return sd_bus_error_set(error, BUS_ERROR_NO_PRODUCT_UUID, | |
1333 | "Failed to read product UUID from firmware."); | |
1334 | } | |
1335 | ||
21e627da YW |
1336 | r = sd_bus_message_new_method_return(m, &reply); |
1337 | if (r < 0) | |
1338 | return r; | |
1339 | ||
c52e295d | 1340 | r = sd_bus_message_append_array(reply, 'y', uuid.bytes, sizeof(uuid.bytes)); |
21e627da YW |
1341 | if (r < 0) |
1342 | return r; | |
1343 | ||
1344 | return sd_bus_send(NULL, reply, NULL); | |
1345 | } | |
1346 | ||
96976629 | 1347 | static int method_get_hardware_serial(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
96976629 | 1348 | _cleanup_free_ char *serial = NULL; |
99534007 | 1349 | Context *c = ASSERT_PTR(userdata); |
ff28d259 | 1350 | int r; |
96976629 YW |
1351 | |
1352 | assert(m); | |
96976629 | 1353 | |
96976629 YW |
1354 | r = bus_verify_polkit_async( |
1355 | m, | |
96976629 | 1356 | "org.freedesktop.hostname1.get-hardware-serial", |
7b36fb9f | 1357 | /* details= */ NULL, |
96976629 YW |
1358 | &c->polkit_registry, |
1359 | error); | |
1360 | if (r < 0) | |
1361 | return r; | |
1362 | if (r == 0) | |
1363 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1364 | ||
1365 | r = get_hardware_serial(&serial); | |
1366 | if (r < 0) | |
171ddae1 LP |
1367 | return sd_bus_error_set(error, BUS_ERROR_NO_HARDWARE_SERIAL, |
1368 | "Failed to read hardware serial from firmware."); | |
96976629 | 1369 | |
26d1c5b9 | 1370 | return sd_bus_reply_method_return(m, "s", serial); |
96976629 YW |
1371 | } |
1372 | ||
0a6598bb LP |
1373 | static int build_describe_response(Context *c, bool privileged, JsonVariant **ret) { |
1374 | _cleanup_free_ char *hn = NULL, *dhn = NULL, *in = NULL, | |
f233bbd6 | 1375 | *chassis = NULL, *vendor = NULL, *model = NULL, *serial = NULL, *firmware_version = NULL, |
ad8858c1 | 1376 | *firmware_vendor = NULL; |
db21c2ec | 1377 | _cleanup_strv_free_ char **os_release_pairs = NULL, **machine_info_pairs = NULL; |
b563d5ce | 1378 | usec_t firmware_date = USEC_INFINITY, eol = USEC_INFINITY; |
7ecead8f | 1379 | _cleanup_(json_variant_unrefp) JsonVariant *v = NULL; |
5db7eb21 | 1380 | sd_id128_t machine_id, boot_id, product_uuid = SD_ID128_NULL; |
19b8e712 | 1381 | unsigned local_cid = VMADDR_CID_ANY; |
7ecead8f LP |
1382 | struct utsname u; |
1383 | int r; | |
1384 | ||
0a6598bb LP |
1385 | assert(c); |
1386 | assert(ret); | |
7ecead8f LP |
1387 | |
1388 | context_read_etc_hostname(c); | |
1389 | context_read_machine_info(c); | |
1390 | context_read_os_release(c); | |
1391 | context_determine_hostname_source(c); | |
1392 | ||
1393 | r = gethostname_strict(&hn); | |
1394 | if (r < 0) { | |
1395 | if (r != -ENXIO) | |
1396 | return log_error_errno(r, "Failed to read local host name: %m"); | |
1397 | ||
1398 | hn = get_default_hostname(); | |
1399 | if (!hn) | |
1400 | return log_oom(); | |
1401 | } | |
1402 | ||
1403 | dhn = get_default_hostname(); | |
1404 | if (!dhn) | |
1405 | return log_oom(); | |
1406 | ||
1407 | if (isempty(c->data[PROP_ICON_NAME])) | |
1408 | in = context_fallback_icon_name(c); | |
1409 | ||
8c8b1800 | 1410 | chassis = context_get_chassis(c); |
7ecead8f LP |
1411 | |
1412 | assert_se(uname(&u) >= 0); | |
1413 | ||
0924ea2b | 1414 | if (isempty(c->data[PROP_HARDWARE_VENDOR])) |
4fc7e4f3 | 1415 | (void) get_hardware_vendor(&vendor); |
0924ea2b | 1416 | if (isempty(c->data[PROP_HARDWARE_MODEL])) |
4fc7e4f3 | 1417 | (void) get_hardware_model(&model); |
7ecead8f | 1418 | |
96976629 YW |
1419 | if (privileged) { |
1420 | /* The product UUID and hardware serial is only available to privileged clients */ | |
1421 | (void) id128_get_product(&product_uuid); | |
1422 | (void) get_hardware_serial(&serial); | |
1423 | } | |
c52950c2 | 1424 | (void) get_firmware_version(&firmware_version); |
f233bbd6 | 1425 | (void) get_firmware_vendor(&firmware_vendor); |
ff4d26df | 1426 | (void) get_firmware_date(&firmware_date); |
7ecead8f | 1427 | |
b563d5ce LP |
1428 | if (c->data[PROP_OS_SUPPORT_END]) |
1429 | (void) os_release_support_ended(c->data[PROP_OS_SUPPORT_END], /* quiet= */ false, &eol); | |
1430 | ||
5db7eb21 YW |
1431 | r = sd_id128_get_machine(&machine_id); |
1432 | if (r < 0) | |
1433 | return log_error_errno(r, "Failed to get machine ID: %m"); | |
1434 | ||
1435 | r = sd_id128_get_boot(&boot_id); | |
1436 | if (r < 0) | |
1437 | return log_error_errno(r, "Failed to get boot ID: %m"); | |
1438 | ||
19b8e712 LP |
1439 | (void) vsock_get_local_cid(&local_cid); |
1440 | ||
db21c2ec LP |
1441 | (void) load_os_release_pairs(/* root= */ NULL, &os_release_pairs); |
1442 | (void) load_env_file_pairs(/* f=*/ NULL, "/etc/machine-info", &machine_info_pairs); | |
1443 | ||
7ecead8f LP |
1444 | r = json_build(&v, JSON_BUILD_OBJECT( |
1445 | JSON_BUILD_PAIR("Hostname", JSON_BUILD_STRING(hn)), | |
1446 | JSON_BUILD_PAIR("StaticHostname", JSON_BUILD_STRING(c->data[PROP_STATIC_HOSTNAME])), | |
1447 | JSON_BUILD_PAIR("PrettyHostname", JSON_BUILD_STRING(c->data[PROP_PRETTY_HOSTNAME])), | |
1448 | JSON_BUILD_PAIR("DefaultHostname", JSON_BUILD_STRING(dhn)), | |
1449 | JSON_BUILD_PAIR("HostnameSource", JSON_BUILD_STRING(hostname_source_to_string(c->hostname_source))), | |
1450 | JSON_BUILD_PAIR("IconName", JSON_BUILD_STRING(in ?: c->data[PROP_ICON_NAME])), | |
8c8b1800 | 1451 | JSON_BUILD_PAIR("Chassis", JSON_BUILD_STRING(chassis)), |
7ecead8f LP |
1452 | JSON_BUILD_PAIR("Deployment", JSON_BUILD_STRING(c->data[PROP_DEPLOYMENT])), |
1453 | JSON_BUILD_PAIR("Location", JSON_BUILD_STRING(c->data[PROP_LOCATION])), | |
1454 | JSON_BUILD_PAIR("KernelName", JSON_BUILD_STRING(u.sysname)), | |
1455 | JSON_BUILD_PAIR("KernelRelease", JSON_BUILD_STRING(u.release)), | |
1456 | JSON_BUILD_PAIR("KernelVersion", JSON_BUILD_STRING(u.version)), | |
1457 | JSON_BUILD_PAIR("OperatingSystemPrettyName", JSON_BUILD_STRING(c->data[PROP_OS_PRETTY_NAME])), | |
1458 | JSON_BUILD_PAIR("OperatingSystemCPEName", JSON_BUILD_STRING(c->data[PROP_OS_CPE_NAME])), | |
1459 | JSON_BUILD_PAIR("OperatingSystemHomeURL", JSON_BUILD_STRING(c->data[PROP_OS_HOME_URL])), | |
b563d5ce | 1460 | JSON_BUILD_PAIR_FINITE_USEC("OperatingSystemSupportEnd", eol), |
db21c2ec LP |
1461 | JSON_BUILD_PAIR("OperatingSystemReleaseData", JSON_BUILD_STRV_ENV_PAIR(os_release_pairs)), |
1462 | JSON_BUILD_PAIR("MachineInformationData", JSON_BUILD_STRV_ENV_PAIR(machine_info_pairs)), | |
0924ea2b LP |
1463 | JSON_BUILD_PAIR("HardwareVendor", JSON_BUILD_STRING(vendor ?: c->data[PROP_HARDWARE_VENDOR])), |
1464 | JSON_BUILD_PAIR("HardwareModel", JSON_BUILD_STRING(model ?: c->data[PROP_HARDWARE_MODEL])), | |
96976629 | 1465 | JSON_BUILD_PAIR("HardwareSerial", JSON_BUILD_STRING(serial)), |
c52950c2 | 1466 | JSON_BUILD_PAIR("FirmwareVersion", JSON_BUILD_STRING(firmware_version)), |
f233bbd6 | 1467 | JSON_BUILD_PAIR("FirmwareVendor", JSON_BUILD_STRING(firmware_vendor)), |
ad8858c1 | 1468 | JSON_BUILD_PAIR_FINITE_USEC("FirmwareDate", firmware_date), |
5db7eb21 YW |
1469 | JSON_BUILD_PAIR_ID128("MachineID", machine_id), |
1470 | JSON_BUILD_PAIR_ID128("BootID", boot_id), | |
7ecead8f | 1471 | JSON_BUILD_PAIR_CONDITION(!sd_id128_is_null(product_uuid), "ProductUUID", JSON_BUILD_ID128(product_uuid)), |
19b8e712 | 1472 | JSON_BUILD_PAIR_CONDITION(sd_id128_is_null(product_uuid), "ProductUUID", JSON_BUILD_NULL), |
77986df6 LP |
1473 | JSON_BUILD_PAIR_CONDITION(local_cid != VMADDR_CID_ANY, "VSockCID", JSON_BUILD_UNSIGNED(local_cid)), |
1474 | JSON_BUILD_PAIR_CONDITION(local_cid == VMADDR_CID_ANY, "VSockCID", JSON_BUILD_NULL))); | |
7ecead8f LP |
1475 | if (r < 0) |
1476 | return log_error_errno(r, "Failed to build JSON data: %m"); | |
1477 | ||
0a6598bb LP |
1478 | *ret = TAKE_PTR(v); |
1479 | return 0; | |
1480 | } | |
1481 | ||
1482 | static int method_describe(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
0a6598bb LP |
1483 | _cleanup_(json_variant_unrefp) JsonVariant *v = NULL; |
1484 | Context *c = ASSERT_PTR(userdata); | |
1485 | _cleanup_free_ char *text = NULL; | |
1486 | bool privileged; | |
1487 | int r; | |
1488 | ||
1489 | assert(m); | |
1490 | ||
1491 | r = bus_verify_polkit_async( | |
1492 | m, | |
1493 | "org.freedesktop.hostname1.get-description", | |
1494 | /* details= */ NULL, | |
1495 | &c->polkit_registry, | |
1496 | error); | |
1497 | if (r == 0) | |
1498 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1499 | ||
1500 | /* We ignore all authentication errors here, since most data is unprivileged, the one exception being | |
1501 | * the product ID which we'll check explicitly. */ | |
1502 | privileged = r > 0; | |
1503 | ||
1504 | r = build_describe_response(c, privileged, &v); | |
1505 | if (r < 0) | |
1506 | return r; | |
1507 | ||
7ecead8f LP |
1508 | r = json_variant_format(v, 0, &text); |
1509 | if (r < 0) | |
1510 | return log_error_errno(r, "Failed to format JSON data: %m"); | |
1511 | ||
26d1c5b9 | 1512 | return sd_bus_reply_method_return(m, "s", text); |
7ecead8f LP |
1513 | } |
1514 | ||
66a4c743 LP |
1515 | static const sd_bus_vtable hostname_vtable[] = { |
1516 | SD_BUS_VTABLE_START(0), | |
aa994368 | 1517 | SD_BUS_PROPERTY("Hostname", "s", property_get_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
d7f4ad20 LP |
1518 | SD_BUS_PROPERTY("StaticHostname", "s", property_get_static_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
1519 | 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 | 1520 | SD_BUS_PROPERTY("DefaultHostname", "s", property_get_default_hostname, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
60e4fb42 | 1521 | SD_BUS_PROPERTY("HostnameSource", "s", property_get_hostname_source, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
66a4c743 LP |
1522 | SD_BUS_PROPERTY("IconName", "s", property_get_icon_name, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
1523 | SD_BUS_PROPERTY("Chassis", "s", property_get_chassis, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
d7f4ad20 LP |
1524 | SD_BUS_PROPERTY("Deployment", "s", property_get_machine_info_field, offsetof(Context, data) + sizeof(char*) * PROP_DEPLOYMENT, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
1525 | 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 |
1526 | SD_BUS_PROPERTY("KernelName", "s", property_get_uname_field, offsetof(struct utsname, sysname), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), |
1527 | SD_BUS_PROPERTY("KernelRelease", "s", property_get_uname_field, offsetof(struct utsname, release), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), | |
1528 | 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 |
1529 | SD_BUS_PROPERTY("OperatingSystemPrettyName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_PRETTY_NAME, SD_BUS_VTABLE_PROPERTY_CONST), |
1530 | SD_BUS_PROPERTY("OperatingSystemCPEName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_CPE_NAME, SD_BUS_VTABLE_PROPERTY_CONST), | |
b563d5ce | 1531 | SD_BUS_PROPERTY("OperatingSystemSupportEnd", "t", property_get_os_support_end, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
d7f4ad20 | 1532 | 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 |
1533 | SD_BUS_PROPERTY("HardwareVendor", "s", property_get_hardware_vendor, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
1534 | SD_BUS_PROPERTY("HardwareModel", "s", property_get_hardware_model, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
c52950c2 | 1535 | SD_BUS_PROPERTY("FirmwareVersion", "s", property_get_firmware_version, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
f233bbd6 | 1536 | SD_BUS_PROPERTY("FirmwareVendor", "s", property_get_firmware_vendor, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
ad8858c1 | 1537 | SD_BUS_PROPERTY("FirmwareDate", "t", property_get_firmware_date, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
5db7eb21 YW |
1538 | SD_BUS_PROPERTY("MachineID", "ay", property_get_machine_id, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
1539 | SD_BUS_PROPERTY("BootID", "ay", property_get_boot_id, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
19b8e712 | 1540 | SD_BUS_PROPERTY("VSockCID", "u", property_get_vsock_cid, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
106d79be | 1541 | |
92c9f47d SS |
1542 | SD_BUS_METHOD_WITH_ARGS("SetHostname", |
1543 | SD_BUS_ARGS("s", hostname, "b", interactive), | |
1544 | SD_BUS_NO_RESULT, | |
1545 | method_set_hostname, | |
1546 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1547 | SD_BUS_METHOD_WITH_ARGS("SetStaticHostname", | |
1548 | SD_BUS_ARGS("s", hostname, "b", interactive), | |
1549 | SD_BUS_NO_RESULT, | |
1550 | method_set_static_hostname, | |
1551 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1552 | SD_BUS_METHOD_WITH_ARGS("SetPrettyHostname", | |
1553 | SD_BUS_ARGS("s", hostname, "b", interactive), | |
1554 | SD_BUS_NO_RESULT, | |
1555 | method_set_pretty_hostname, | |
1556 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1557 | SD_BUS_METHOD_WITH_ARGS("SetIconName", | |
1558 | SD_BUS_ARGS("s", icon, "b", interactive), | |
1559 | SD_BUS_NO_RESULT, | |
1560 | method_set_icon_name, | |
1561 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1562 | SD_BUS_METHOD_WITH_ARGS("SetChassis", | |
1563 | SD_BUS_ARGS("s", chassis, "b", interactive), | |
1564 | SD_BUS_NO_RESULT, | |
1565 | method_set_chassis, | |
1566 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1567 | SD_BUS_METHOD_WITH_ARGS("SetDeployment", | |
1568 | SD_BUS_ARGS("s", deployment, "b", interactive), | |
1569 | SD_BUS_NO_RESULT, | |
1570 | method_set_deployment, | |
1571 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1572 | SD_BUS_METHOD_WITH_ARGS("SetLocation", | |
1573 | SD_BUS_ARGS("s", location, "b", interactive), | |
1574 | SD_BUS_NO_RESULT, | |
1575 | method_set_location, | |
1576 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1577 | SD_BUS_METHOD_WITH_ARGS("GetProductUUID", | |
1578 | SD_BUS_ARGS("b", interactive), | |
1579 | SD_BUS_RESULT("ay", uuid), | |
1580 | method_get_product_uuid, | |
1581 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1582 | SD_BUS_METHOD_WITH_ARGS("GetHardwareSerial", | |
1583 | SD_BUS_NO_ARGS, | |
1584 | SD_BUS_RESULT("s", serial), | |
1585 | method_get_hardware_serial, | |
1586 | SD_BUS_VTABLE_UNPRIVILEGED), | |
7ecead8f LP |
1587 | SD_BUS_METHOD_WITH_ARGS("Describe", |
1588 | SD_BUS_NO_ARGS, | |
1589 | SD_BUS_RESULT("s", json), | |
1590 | method_describe, | |
1591 | SD_BUS_VTABLE_UNPRIVILEGED), | |
106d79be | 1592 | |
66a4c743 LP |
1593 | SD_BUS_VTABLE_END, |
1594 | }; | |
1595 | ||
670139db ZJS |
1596 | static const BusObjectImplementation manager_object = { |
1597 | "/org/freedesktop/hostname1", | |
1598 | "org.freedesktop.hostname1", | |
1599 | .vtables = BUS_VTABLES(hostname_vtable), | |
1600 | }; | |
1601 | ||
96520e8b | 1602 | static int connect_bus(Context *c) { |
7640a5de LP |
1603 | int r; |
1604 | ||
66a4c743 | 1605 | assert(c); |
96520e8b LP |
1606 | assert(c->event); |
1607 | assert(!c->bus); | |
d0baa06f | 1608 | |
96520e8b | 1609 | r = sd_bus_default_system(&c->bus); |
23bbb0de MS |
1610 | if (r < 0) |
1611 | return log_error_errno(r, "Failed to get system bus connection: %m"); | |
d0baa06f | 1612 | |
96520e8b | 1613 | r = bus_add_implementation(c->bus, &manager_object, c); |
23bbb0de | 1614 | if (r < 0) |
670139db | 1615 | return r; |
d0baa06f | 1616 | |
96520e8b | 1617 | r = bus_log_control_api_register(c->bus); |
ac9f55ed LP |
1618 | if (r < 0) |
1619 | return r; | |
1620 | ||
96520e8b | 1621 | r = sd_bus_request_name_async(c->bus, NULL, "org.freedesktop.hostname1", 0, NULL, NULL); |
23bbb0de | 1622 | if (r < 0) |
0c0b9306 | 1623 | return log_error_errno(r, "Failed to request name: %m"); |
add10b5a | 1624 | |
96520e8b | 1625 | r = sd_bus_attach_event(c->bus, c->event, 0); |
23bbb0de MS |
1626 | if (r < 0) |
1627 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
d0baa06f | 1628 | |
66a4c743 | 1629 | return 0; |
d0baa06f LP |
1630 | } |
1631 | ||
0a6598bb LP |
1632 | static int vl_method_describe(Varlink *link, JsonVariant *parameters, VarlinkMethodFlags flags, void *userdata) { |
1633 | static const JsonDispatch dispatch_table[] = { | |
1634 | VARLINK_DISPATCH_POLKIT_FIELD, | |
1635 | {} | |
1636 | }; | |
1637 | ||
1638 | Context *c = ASSERT_PTR(userdata); | |
1639 | bool privileged; | |
1640 | int r; | |
1641 | ||
1642 | assert(link); | |
1643 | assert(parameters); | |
1644 | ||
1645 | r = varlink_dispatch(link, parameters, dispatch_table, /* userdata= */ NULL); | |
1646 | if (r != 0) | |
1647 | return r; | |
1648 | ||
1649 | r = varlink_verify_polkit_async( | |
1650 | link, | |
1651 | c->bus, | |
1652 | "org.freedesktop.hostname1.get-hardware-serial", | |
1653 | /* details= */ NULL, | |
1654 | /* good_user= */ UID_INVALID, | |
1655 | &c->polkit_registry); | |
1656 | if (r == 0) | |
1657 | return 0; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1658 | ||
1659 | /* We ignore all authentication errors here, since most data is unprivileged, the one exception being | |
1660 | * the product ID which we'll check explicitly. */ | |
1661 | privileged = r > 0; | |
1662 | ||
1663 | if (json_variant_elements(parameters) > 0) | |
1664 | return varlink_error_invalid_parameter(link, parameters); | |
1665 | ||
1666 | _cleanup_(json_variant_unrefp) JsonVariant *v = NULL; | |
1667 | r = build_describe_response(c, privileged, &v); | |
1668 | if (r < 0) | |
1669 | return r; | |
1670 | ||
1671 | return varlink_reply(link, v); | |
1672 | } | |
1673 | ||
1674 | static int connect_varlink(Context *c) { | |
1675 | int r; | |
1676 | ||
1677 | assert(c); | |
1678 | assert(c->event); | |
1679 | assert(!c->varlink_server); | |
1680 | ||
1681 | r = varlink_server_new(&c->varlink_server, VARLINK_SERVER_ACCOUNT_UID|VARLINK_SERVER_INHERIT_USERDATA); | |
1682 | if (r < 0) | |
1683 | return log_error_errno(r, "Failed to allocate Varlink server: %m"); | |
1684 | ||
1685 | varlink_server_set_userdata(c->varlink_server, c); | |
1686 | ||
1687 | r = varlink_server_add_interface(c->varlink_server, &vl_interface_io_systemd_Hostname); | |
1688 | if (r < 0) | |
1689 | return log_error_errno(r, "Failed to add Hostname interface to varlink server: %m"); | |
1690 | ||
1691 | r = varlink_server_bind_method_many( | |
1692 | c->varlink_server, | |
1693 | "io.systemd.Hostname.Describe", vl_method_describe); | |
1694 | if (r < 0) | |
1695 | return log_error_errno(r, "Failed to bind Varlink method calls: %m"); | |
1696 | ||
1697 | r = varlink_server_attach_event(c->varlink_server, c->event, SD_EVENT_PRIORITY_NORMAL); | |
1698 | if (r < 0) | |
1699 | return log_error_errno(r, "Failed to attach Varlink server to event loop: %m"); | |
1700 | ||
1701 | r = varlink_server_listen_auto(c->varlink_server); | |
1702 | if (r < 0) | |
1703 | return log_error_errno(r, "Failed to bind to passed Varlink sockets: %m"); | |
1704 | if (r == 0) { | |
1705 | r = varlink_server_listen_address(c->varlink_server, "/run/systemd/io.systemd.Hostname", 0666); | |
1706 | if (r < 0) | |
1707 | return log_error_errno(r, "Failed to bind to Varlink socket: %m"); | |
1708 | } | |
1709 | ||
1710 | return 0; | |
1711 | } | |
1712 | ||
85ae63ee | 1713 | static int run(int argc, char *argv[]) { |
60e4fb42 ZJS |
1714 | _cleanup_(context_destroy) Context context = { |
1715 | .hostname_source = _HOSTNAME_INVALID, /* appropriate value will be set later */ | |
1716 | }; | |
d0baa06f | 1717 | int r; |
d0baa06f | 1718 | |
d2acb93d | 1719 | log_setup(); |
7640a5de | 1720 | |
fc021a5b ZJS |
1721 | r = service_parse_argv("systemd-hostnamed.service", |
1722 | "Manage the system hostname and related metadata.", | |
670139db ZJS |
1723 | BUS_IMPLEMENTATIONS(&manager_object, |
1724 | &log_control_object), | |
fc021a5b ZJS |
1725 | argc, argv); |
1726 | if (r <= 0) | |
1727 | return r; | |
1728 | ||
4c12626c | 1729 | umask(0022); |
a9ba0e32 | 1730 | |
a452c807 | 1731 | r = mac_init(); |
a9ba0e32 CG |
1732 | if (r < 0) |
1733 | return r; | |
4c12626c | 1734 | |
96520e8b | 1735 | r = sd_event_default(&context.event); |
85ae63ee YW |
1736 | if (r < 0) |
1737 | return log_error_errno(r, "Failed to allocate event loop: %m"); | |
7640a5de | 1738 | |
96520e8b | 1739 | (void) sd_event_set_watchdog(context.event, true); |
b22c8bfc | 1740 | |
96520e8b | 1741 | r = sd_event_set_signal_exit(context.event, true); |
85ae63ee | 1742 | if (r < 0) |
aefaeebe | 1743 | return log_error_errno(r, "Failed to install SIGINT/SIGTERM handlers: %m"); |
cde93897 | 1744 | |
96520e8b | 1745 | r = connect_bus(&context); |
d0baa06f | 1746 | if (r < 0) |
85ae63ee | 1747 | return r; |
7640a5de | 1748 | |
0a6598bb LP |
1749 | r = connect_varlink(&context); |
1750 | if (r < 0) | |
1751 | return r; | |
1752 | ||
9737e2c8 MY |
1753 | r = sd_notify(false, NOTIFY_READY); |
1754 | if (r < 0) | |
1755 | log_warning_errno(r, "Failed to send readiness notification, ignoring: %m"); | |
1756 | ||
96520e8b LP |
1757 | r = bus_event_loop_with_idle( |
1758 | context.event, | |
1759 | context.bus, | |
1760 | "org.freedesktop.hostname1", | |
1761 | DEFAULT_EXIT_USEC, | |
1762 | /* check_idle= */ NULL, | |
1763 | /* userdata= */ NULL); | |
85ae63ee YW |
1764 | if (r < 0) |
1765 | return log_error_errno(r, "Failed to run event loop: %m"); | |
7640a5de | 1766 | |
85ae63ee | 1767 | return 0; |
7640a5de | 1768 | } |
85ae63ee YW |
1769 | |
1770 | DEFINE_MAIN_FUNCTION(run); |