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-rw-r--r--src/hostname/hostnamectl.c708
-rw-r--r--src/hostname/hostnamed.c1448
-rw-r--r--src/hostname/meson.build10
-rw-r--r--src/hostname/org.freedesktop.hostname1.conf29
-rw-r--r--src/hostname/org.freedesktop.hostname1.policy80
-rw-r--r--src/hostname/org.freedesktop.hostname1.service12
6 files changed, 2287 insertions, 0 deletions
diff --git a/src/hostname/hostnamectl.c b/src/hostname/hostnamectl.c
new file mode 100644
index 0000000..d7f7729
--- /dev/null
+++ b/src/hostname/hostnamectl.c
@@ -0,0 +1,708 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <getopt.h>
+#include <locale.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "sd-bus.h"
+#include "sd-id128.h"
+
+#include "alloc-util.h"
+#include "architecture.h"
+#include "bus-common-errors.h"
+#include "bus-error.h"
+#include "bus-map-properties.h"
+#include "format-table.h"
+#include "hostname-setup.h"
+#include "hostname-util.h"
+#include "json.h"
+#include "main-func.h"
+#include "parse-argument.h"
+#include "pretty-print.h"
+#include "spawn-polkit-agent.h"
+#include "terminal-util.h"
+#include "util.h"
+#include "verbs.h"
+
+static bool arg_ask_password = true;
+static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
+static char *arg_host = NULL;
+static bool arg_transient = false;
+static bool arg_pretty = false;
+static bool arg_static = false;
+static JsonFormatFlags arg_json_format_flags = JSON_FORMAT_OFF;
+
+typedef struct StatusInfo {
+ const char *hostname;
+ const char *static_hostname;
+ const char *pretty_hostname;
+ const char *icon_name;
+ const char *chassis;
+ const char *deployment;
+ const char *location;
+ const char *kernel_name;
+ const char *kernel_release;
+ const char *os_pretty_name;
+ const char *os_cpe_name;
+ const char *virtualization;
+ const char *architecture;
+ const char *home_url;
+ const char *hardware_vendor;
+ const char *hardware_model;
+ const char *firmware_version;
+ sd_id128_t machine_id;
+ sd_id128_t boot_id;
+} StatusInfo;
+
+static const char* chassis_string_to_glyph(const char *chassis) {
+ if (streq_ptr(chassis, "laptop"))
+ return u8"💻"; /* Personal Computer */
+ if (streq_ptr(chassis, "desktop"))
+ return u8"🖥️"; /* Desktop Computer */
+ if (streq_ptr(chassis, "server"))
+ return u8"🖳"; /* Old Personal Computer */
+ if (streq_ptr(chassis, "tablet"))
+ return u8"具"; /* Ideograph tool, implement; draw up, write, looks vaguely tabletty */
+ if (streq_ptr(chassis, "watch"))
+ return u8"⌚"; /* Watch */
+ if (streq_ptr(chassis, "handset"))
+ return u8"🕻"; /* Left Hand Telephone Receiver */
+ if (streq_ptr(chassis, "vm"))
+ return u8"🖴"; /* Hard disk */
+ if (streq_ptr(chassis, "container"))
+ return u8"☐"; /* Ballot Box */
+ return NULL;
+}
+
+static int print_status_info(StatusInfo *i) {
+ _cleanup_(table_unrefp) Table *table = NULL;
+ TableCell *cell;
+ int r;
+
+ assert(i);
+
+ table = table_new("key", "value");
+ if (!table)
+ return log_oom();
+
+ assert_se(cell = table_get_cell(table, 0, 0));
+ (void) table_set_ellipsize_percent(table, cell, 100);
+ (void) table_set_align_percent(table, cell, 100);
+
+ table_set_header(table, false);
+
+ table_set_ersatz_string(table, TABLE_ERSATZ_UNSET);
+
+ r = table_add_many(table,
+ TABLE_STRING, "Static hostname:",
+ TABLE_STRING, i->static_hostname);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (!isempty(i->pretty_hostname) &&
+ !streq_ptr(i->pretty_hostname, i->static_hostname)) {
+ r = table_add_many(table,
+ TABLE_STRING, "Pretty hostname:",
+ TABLE_STRING, i->pretty_hostname);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (!isempty(i->hostname) &&
+ !streq_ptr(i->hostname, i->static_hostname)) {
+ r = table_add_many(table,
+ TABLE_STRING, "Transient hostname:",
+ TABLE_STRING, i->hostname);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (!isempty(i->icon_name)) {
+ r = table_add_many(table,
+ TABLE_STRING, "Icon name:",
+ TABLE_STRING, i->icon_name);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (!isempty(i->chassis)) {
+ /* Possibly add a pretty symbol. Let's not bother with non-unicode fallbacks, because this is
+ * just a prettification and we can't really express this with ASCII anyway. */
+ const char *v = chassis_string_to_glyph(i->chassis);
+ if (v)
+ v = strjoina(i->chassis, " ", v);
+
+ r = table_add_many(table,
+ TABLE_STRING, "Chassis:",
+ TABLE_STRING, v ?: i->chassis);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (!isempty(i->deployment)) {
+ r = table_add_many(table,
+ TABLE_STRING, "Deployment:",
+ TABLE_STRING, i->deployment);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (!isempty(i->location)) {
+ r = table_add_many(table,
+ TABLE_STRING, "Location:",
+ TABLE_STRING, i->location);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (!sd_id128_is_null(i->machine_id)) {
+ r = table_add_many(table,
+ TABLE_STRING, "Machine ID:",
+ TABLE_ID128, i->machine_id);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (!sd_id128_is_null(i->boot_id)) {
+ r = table_add_many(table,
+ TABLE_STRING, "Boot ID:",
+ TABLE_ID128, i->boot_id);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (!isempty(i->virtualization)) {
+ r = table_add_many(table,
+ TABLE_STRING, "Virtualization:",
+ TABLE_STRING, i->virtualization);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (!isempty(i->os_pretty_name)) {
+ r = table_add_many(table,
+ TABLE_STRING, "Operating System:",
+ TABLE_STRING, i->os_pretty_name,
+ TABLE_SET_URL, i->home_url);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (!isempty(i->os_cpe_name)) {
+ r = table_add_many(table,
+ TABLE_STRING, "CPE OS Name:",
+ TABLE_STRING, i->os_cpe_name);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (!isempty(i->kernel_name) && !isempty(i->kernel_release)) {
+ const char *v;
+
+ v = strjoina(i->kernel_name, " ", i->kernel_release);
+ r = table_add_many(table,
+ TABLE_STRING, "Kernel:",
+ TABLE_STRING, v);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (!isempty(i->architecture)) {
+ r = table_add_many(table,
+ TABLE_STRING, "Architecture:",
+ TABLE_STRING, i->architecture);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (!isempty(i->hardware_vendor)) {
+ r = table_add_many(table,
+ TABLE_STRING, "Hardware Vendor:",
+ TABLE_STRING, i->hardware_vendor);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (!isempty(i->hardware_model)) {
+ r = table_add_many(table,
+ TABLE_STRING, "Hardware Model:",
+ TABLE_STRING, i->hardware_model);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (!isempty(i->firmware_version)) {
+ r = table_add_many(table,
+ TABLE_STRING, "Firmware Version:",
+ TABLE_STRING, i->firmware_version);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ r = table_print(table, NULL);
+ if (r < 0)
+ return table_log_print_error(r);
+
+ return 0;
+}
+
+static int get_one_name(sd_bus *bus, const char* attr, char **ret) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ const char *s;
+ int r;
+
+ assert(bus);
+ assert(attr);
+
+ /* This obtains one string property, and copy it if 'ret' is set, or print it otherwise. */
+
+ r = sd_bus_get_property(
+ bus,
+ "org.freedesktop.hostname1",
+ "/org/freedesktop/hostname1",
+ "org.freedesktop.hostname1",
+ attr,
+ &error, &reply, "s");
+ if (r < 0)
+ return log_error_errno(r, "Could not get property: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_read(reply, "s", &s);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (ret) {
+ char *str;
+
+ str = strdup(s);
+ if (!str)
+ return log_oom();
+
+ *ret = str;
+ } else
+ printf("%s\n", s);
+
+ return 0;
+}
+
+static int show_all_names(sd_bus *bus) {
+ StatusInfo info = {};
+
+ static const struct bus_properties_map hostname_map[] = {
+ { "Hostname", "s", NULL, offsetof(StatusInfo, hostname) },
+ { "StaticHostname", "s", NULL, offsetof(StatusInfo, static_hostname) },
+ { "PrettyHostname", "s", NULL, offsetof(StatusInfo, pretty_hostname) },
+ { "IconName", "s", NULL, offsetof(StatusInfo, icon_name) },
+ { "Chassis", "s", NULL, offsetof(StatusInfo, chassis) },
+ { "Deployment", "s", NULL, offsetof(StatusInfo, deployment) },
+ { "Location", "s", NULL, offsetof(StatusInfo, location) },
+ { "KernelName", "s", NULL, offsetof(StatusInfo, kernel_name) },
+ { "KernelRelease", "s", NULL, offsetof(StatusInfo, kernel_release) },
+ { "OperatingSystemPrettyName", "s", NULL, offsetof(StatusInfo, os_pretty_name) },
+ { "OperatingSystemCPEName", "s", NULL, offsetof(StatusInfo, os_cpe_name) },
+ { "HomeURL", "s", NULL, offsetof(StatusInfo, home_url) },
+ { "HardwareVendor", "s", NULL, offsetof(StatusInfo, hardware_vendor) },
+ { "HardwareModel", "s", NULL, offsetof(StatusInfo, hardware_model) },
+ { "FirmwareVersion", "s", NULL, offsetof(StatusInfo, firmware_version) },
+ {}
+ };
+
+ static const struct bus_properties_map manager_map[] = {
+ { "Virtualization", "s", NULL, offsetof(StatusInfo, virtualization) },
+ { "Architecture", "s", NULL, offsetof(StatusInfo, architecture) },
+ {}
+ };
+
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *host_message = NULL, *manager_message = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ int r;
+
+ r = bus_map_all_properties(bus,
+ "org.freedesktop.hostname1",
+ "/org/freedesktop/hostname1",
+ hostname_map,
+ 0,
+ &error,
+ &host_message,
+ &info);
+ if (r < 0)
+ return log_error_errno(r, "Failed to query system properties: %s", bus_error_message(&error, r));
+
+ r = bus_map_all_properties(bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ manager_map,
+ 0,
+ &error,
+ &manager_message,
+ &info);
+ if (r < 0)
+ return log_error_errno(r, "Failed to query system properties: %s", bus_error_message(&error, r));
+
+ if (!arg_host) {
+ if (sd_id128_is_null(info.machine_id))
+ (void) sd_id128_get_machine(&info.machine_id);
+ if (sd_id128_is_null(info.boot_id))
+ (void) sd_id128_get_boot(&info.boot_id);
+ }
+
+ return print_status_info(&info);
+}
+
+static int get_hostname_based_on_flag(sd_bus *bus) {
+ const char *attr;
+
+ if (!!arg_static + !!arg_pretty + !!arg_transient > 1)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Cannot query more than one name type at a time");
+
+ attr = arg_pretty ? "PrettyHostname" :
+ arg_static ? "StaticHostname" : "Hostname";
+
+ return get_one_name(bus, attr, NULL);
+}
+
+static int show_status(int argc, char **argv, void *userdata) {
+ sd_bus *bus = userdata;
+ int r;
+
+ if (arg_json_format_flags != JSON_FORMAT_OFF) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
+ const char *text = NULL;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.hostname1",
+ "/org/freedesktop/hostname1",
+ "org.freedesktop.hostname1",
+ "Describe",
+ &error,
+ &reply,
+ NULL);
+ if (r < 0)
+ return log_error_errno(r, "Could not get description: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_read(reply, "s", &text);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = json_parse(text, 0, &v, NULL, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse JSON: %m");
+
+ json_variant_dump(v, arg_json_format_flags, NULL, NULL);
+ return 0;
+ }
+
+ if (arg_pretty || arg_static || arg_transient)
+ return get_hostname_based_on_flag(bus);
+
+ return show_all_names(bus);
+}
+
+
+static int set_simple_string_internal(sd_bus *bus, sd_bus_error *error, const char *target, const char *method, const char *value) {
+ _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL;
+ int r;
+
+ polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+ if (!error)
+ error = &e;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.hostname1",
+ "/org/freedesktop/hostname1",
+ "org.freedesktop.hostname1",
+ method,
+ error, NULL,
+ "sb", value, arg_ask_password);
+ if (r < 0)
+ return log_error_errno(r, "Could not set %s: %s", target, bus_error_message(error, r));
+
+ return 0;
+}
+
+static int set_simple_string(sd_bus *bus, const char *target, const char *method, const char *value) {
+ return set_simple_string_internal(bus, NULL, target, method, value);
+}
+
+static int set_hostname(int argc, char **argv, void *userdata) {
+ _cleanup_free_ char *h = NULL;
+ const char *hostname = argv[1];
+ sd_bus *bus = userdata;
+ bool implicit = false, show_hint = false;
+ int r, ret = 0;
+
+ if (!arg_pretty && !arg_static && !arg_transient)
+ arg_pretty = arg_static = arg_transient = implicit = true;
+
+ if (!implicit && !arg_static && arg_transient) {
+ _cleanup_free_ char *source = NULL;
+
+ r = get_one_name(bus, "HostnameSource", &source);
+ if (r < 0)
+ return r;
+
+ if (hostname_source_from_string(source) == HOSTNAME_STATIC)
+ log_info("Hint: static hostname is already set, so the specified transient hostname will not be used.");
+ }
+
+ if (arg_pretty) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ const char *p;
+
+ /* If the passed hostname is already valid, then assume the user doesn't know anything about pretty
+ * hostnames, so let's unset the pretty hostname, and just set the passed hostname as static/dynamic
+ * hostname. */
+ if (implicit && hostname_is_valid(hostname, VALID_HOSTNAME_TRAILING_DOT))
+ p = ""; /* No pretty hostname (as it is redundant), just a static one */
+ else
+ p = hostname; /* Use the passed name as pretty hostname */
+
+ r = set_simple_string_internal(bus, &error, "pretty hostname", "SetPrettyHostname", p);
+ if (r < 0) {
+ if (implicit &&
+ sd_bus_error_has_names(&error,
+ BUS_ERROR_FILE_IS_PROTECTED,
+ BUS_ERROR_READ_ONLY_FILESYSTEM)) {
+ show_hint = true;
+ ret = r;
+ } else
+ return r;
+ }
+
+ /* Now that we set the pretty hostname, let's clean up the parameter and use that as static
+ * hostname. If the hostname was already valid as static hostname, this will only chop off the trailing
+ * dot if there is one. If it was not valid, then it will be made fully valid by truncating, dropping
+ * multiple dots, and dropping weird chars. Note that we clean the name up only if we also are
+ * supposed to set the pretty name. If the pretty name is not being set we assume the user knows what
+ * they are doing and pass the name as-is. */
+ h = strdup(hostname);
+ if (!h)
+ return log_oom();
+
+ hostname = hostname_cleanup(h); /* Use the cleaned up name as static hostname */
+ }
+
+ if (arg_static) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+
+ r = set_simple_string_internal(bus, &error, "static hostname", "SetStaticHostname", hostname);
+ if (r < 0) {
+ if (implicit &&
+ sd_bus_error_has_names(&error,
+ BUS_ERROR_FILE_IS_PROTECTED,
+ BUS_ERROR_READ_ONLY_FILESYSTEM)) {
+ show_hint = true;
+ ret = r;
+ } else
+ return r;
+ }
+ }
+
+ if (arg_transient) {
+ r = set_simple_string(bus, "transient hostname", "SetHostname", hostname);
+ if (r < 0)
+ return r;
+ }
+
+ if (show_hint)
+ log_info("Hint: use --transient option when /etc/machine-info or /etc/hostname cannot be modified (e.g. located in read-only filesystem).");
+
+ return ret;
+}
+
+static int get_or_set_hostname(int argc, char **argv, void *userdata) {
+ return argc == 1 ? get_hostname_based_on_flag(userdata) :
+ set_hostname(argc, argv, userdata);
+}
+
+static int get_or_set_icon_name(int argc, char **argv, void *userdata) {
+ return argc == 1 ? get_one_name(userdata, "IconName", NULL) :
+ set_simple_string(userdata, "icon", "SetIconName", argv[1]);
+}
+
+static int get_or_set_chassis(int argc, char **argv, void *userdata) {
+ return argc == 1 ? get_one_name(userdata, "Chassis", NULL) :
+ set_simple_string(userdata, "chassis", "SetChassis", argv[1]);
+}
+
+static int get_or_set_deployment(int argc, char **argv, void *userdata) {
+ return argc == 1 ? get_one_name(userdata, "Deployment", NULL) :
+ set_simple_string(userdata, "deployment", "SetDeployment", argv[1]);
+}
+
+static int get_or_set_location(int argc, char **argv, void *userdata) {
+ return argc == 1 ? get_one_name(userdata, "Location", NULL) :
+ set_simple_string(userdata, "location", "SetLocation", argv[1]);
+}
+
+static int help(void) {
+ _cleanup_free_ char *link = NULL;
+ int r;
+
+ r = terminal_urlify_man("hostnamectl", "1", &link);
+ if (r < 0)
+ return log_oom();
+
+ printf("%s [OPTIONS...] COMMAND ...\n\n"
+ "%sQuery or change system hostname.%s\n"
+ "\nCommands:\n"
+ " status Show current hostname settings\n"
+ " hostname [NAME] Get/set system hostname\n"
+ " icon-name [NAME] Get/set icon name for host\n"
+ " chassis [NAME] Get/set chassis type for host\n"
+ " deployment [NAME] Get/set deployment environment for host\n"
+ " location [NAME] Get/set location for host\n"
+ "\nOptions:\n"
+ " -h --help Show this help\n"
+ " --version Show package version\n"
+ " --no-ask-password Do not prompt for password\n"
+ " -H --host=[USER@]HOST Operate on remote host\n"
+ " -M --machine=CONTAINER Operate on local container\n"
+ " --transient Only set transient hostname\n"
+ " --static Only set static hostname\n"
+ " --pretty Only set pretty hostname\n"
+ " --json=pretty|short|off\n"
+ " Generate JSON output\n"
+ "\nSee the %s for details.\n",
+ program_invocation_short_name,
+ ansi_highlight(),
+ ansi_normal(),
+ link);
+
+ return 0;
+}
+
+static int verb_help(int argc, char **argv, void *userdata) {
+ return help();
+}
+
+static int parse_argv(int argc, char *argv[]) {
+
+ enum {
+ ARG_VERSION = 0x100,
+ ARG_NO_ASK_PASSWORD,
+ ARG_TRANSIENT,
+ ARG_STATIC,
+ ARG_PRETTY,
+ ARG_JSON,
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "transient", no_argument, NULL, ARG_TRANSIENT },
+ { "static", no_argument, NULL, ARG_STATIC },
+ { "pretty", no_argument, NULL, ARG_PRETTY },
+ { "host", required_argument, NULL, 'H' },
+ { "machine", required_argument, NULL, 'M' },
+ { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
+ { "json", required_argument, NULL, ARG_JSON },
+ {}
+ };
+
+ int c, r;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0)
+
+ switch (c) {
+
+ case 'h':
+ return help();
+
+ case ARG_VERSION:
+ return version();
+
+ case 'H':
+ arg_transport = BUS_TRANSPORT_REMOTE;
+ arg_host = optarg;
+ break;
+
+ case 'M':
+ arg_transport = BUS_TRANSPORT_MACHINE;
+ arg_host = optarg;
+ break;
+
+ case ARG_TRANSIENT:
+ arg_transient = true;
+ break;
+
+ case ARG_PRETTY:
+ arg_pretty = true;
+ break;
+
+ case ARG_STATIC:
+ arg_static = true;
+ break;
+
+ case ARG_NO_ASK_PASSWORD:
+ arg_ask_password = false;
+ break;
+
+ case ARG_JSON:
+ r = parse_json_argument(optarg, &arg_json_format_flags);
+ if (r <= 0)
+ return r;
+
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached();
+ }
+
+ return 1;
+}
+
+static int hostnamectl_main(sd_bus *bus, int argc, char *argv[]) {
+
+ static const Verb verbs[] = {
+ { "status", VERB_ANY, 1, VERB_DEFAULT, show_status },
+ { "hostname", VERB_ANY, 2, 0, get_or_set_hostname },
+ { "set-hostname", 2, 2, 0, get_or_set_hostname }, /* obsolete */
+ { "icon-name", VERB_ANY, 2, 0, get_or_set_icon_name },
+ { "set-icon-name", 2, 2, 0, get_or_set_icon_name }, /* obsolete */
+ { "chassis", VERB_ANY, 2, 0, get_or_set_chassis },
+ { "set-chassis", 2, 2, 0, get_or_set_chassis }, /* obsolete */
+ { "deployment", VERB_ANY, 2, 0, get_or_set_deployment },
+ { "set-deployment", 2, 2, 0, get_or_set_deployment }, /* obsolete */
+ { "location", VERB_ANY, 2, 0, get_or_set_location },
+ { "set-location", 2, 2, 0, get_or_set_location }, /* obsolete */
+ { "help", VERB_ANY, VERB_ANY, 0, verb_help }, /* Not documented, but supported since it is created. */
+ {}
+ };
+
+ return dispatch_verb(argc, argv, verbs, bus);
+}
+
+static int run(int argc, char *argv[]) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ int r;
+
+ setlocale(LC_ALL, "");
+ log_setup();
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ return r;
+
+ r = bus_connect_transport(arg_transport, arg_host, false, &bus);
+ if (r < 0)
+ return bus_log_connect_error(r, arg_transport);
+
+ return hostnamectl_main(bus, argc, argv);
+}
+
+DEFINE_MAIN_FUNCTION(run);
diff --git a/src/hostname/hostnamed.c b/src/hostname/hostnamed.c
new file mode 100644
index 0000000..0c79834
--- /dev/null
+++ b/src/hostname/hostnamed.c
@@ -0,0 +1,1448 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <errno.h>
+#include <sys/utsname.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "alloc-util.h"
+#include "bus-common-errors.h"
+#include "bus-get-properties.h"
+#include "bus-log-control-api.h"
+#include "bus-polkit.h"
+#include "def.h"
+#include "env-file-label.h"
+#include "env-file.h"
+#include "env-util.h"
+#include "fileio-label.h"
+#include "fileio.h"
+#include "hostname-setup.h"
+#include "hostname-util.h"
+#include "id128-util.h"
+#include "json.h"
+#include "main-func.h"
+#include "missing_capability.h"
+#include "nscd-flush.h"
+#include "nulstr-util.h"
+#include "os-util.h"
+#include "parse-util.h"
+#include "path-util.h"
+#include "sd-device.h"
+#include "selinux-util.h"
+#include "service-util.h"
+#include "signal-util.h"
+#include "stat-util.h"
+#include "string-table.h"
+#include "strv.h"
+#include "user-util.h"
+#include "util.h"
+#include "virt.h"
+
+#define VALID_DEPLOYMENT_CHARS (DIGITS LETTERS "-.:")
+
+/* Properties we cache are indexed by an enum, to make invalidation easy and systematic (as we can iterate
+ * through them all, and they are uniformly strings). */
+typedef enum {
+ /* Read from /etc/hostname */
+ PROP_STATIC_HOSTNAME,
+
+ /* Read from /etc/machine-info */
+ PROP_PRETTY_HOSTNAME,
+ PROP_ICON_NAME,
+ PROP_CHASSIS,
+ PROP_DEPLOYMENT,
+ PROP_LOCATION,
+ PROP_HARDWARE_VENDOR,
+ PROP_HARDWARE_MODEL,
+
+ /* Read from /etc/os-release (or /usr/lib/os-release) */
+ PROP_OS_PRETTY_NAME,
+ PROP_OS_CPE_NAME,
+ PROP_OS_HOME_URL,
+ _PROP_MAX,
+ _PROP_INVALID = -EINVAL,
+} HostProperty;
+
+typedef struct Context {
+ char *data[_PROP_MAX];
+
+ HostnameSource hostname_source;
+
+ struct stat etc_hostname_stat;
+ struct stat etc_os_release_stat;
+ struct stat etc_machine_info_stat;
+
+ Hashmap *polkit_registry;
+} Context;
+
+static void context_reset(Context *c, uint64_t mask) {
+ assert(c);
+
+ for (int p = 0; p < _PROP_MAX; p++) {
+ if (!FLAGS_SET(mask, UINT64_C(1) << p))
+ continue;
+
+ c->data[p] = mfree(c->data[p]);
+ }
+}
+
+static void context_destroy(Context *c) {
+ assert(c);
+
+ context_reset(c, UINT64_MAX);
+ bus_verify_polkit_async_registry_free(c->polkit_registry);
+}
+
+static void context_read_etc_hostname(Context *c) {
+ struct stat current_stat = {};
+ int r;
+
+ assert(c);
+
+ if (stat("/etc/hostname", &current_stat) >= 0 &&
+ stat_inode_unmodified(&c->etc_hostname_stat, &current_stat))
+ return;
+
+ context_reset(c, UINT64_C(1) << PROP_STATIC_HOSTNAME);
+
+ r = read_etc_hostname(NULL, &c->data[PROP_STATIC_HOSTNAME]);
+ if (r < 0 && r != -ENOENT)
+ log_warning_errno(r, "Failed to read /etc/hostname, ignoring: %m");
+
+ c->etc_hostname_stat = current_stat;
+}
+
+static void context_read_machine_info(Context *c) {
+ struct stat current_stat = {};
+ int r;
+
+ assert(c);
+
+ if (stat("/etc/machine-info", &current_stat) >= 0 &&
+ stat_inode_unmodified(&c->etc_machine_info_stat, &current_stat))
+ return;
+
+ context_reset(c,
+ (UINT64_C(1) << PROP_PRETTY_HOSTNAME) |
+ (UINT64_C(1) << PROP_ICON_NAME) |
+ (UINT64_C(1) << PROP_CHASSIS) |
+ (UINT64_C(1) << PROP_DEPLOYMENT) |
+ (UINT64_C(1) << PROP_LOCATION) |
+ (UINT64_C(1) << PROP_HARDWARE_VENDOR) |
+ (UINT64_C(1) << PROP_HARDWARE_MODEL));
+
+ r = parse_env_file(NULL, "/etc/machine-info",
+ "PRETTY_HOSTNAME", &c->data[PROP_PRETTY_HOSTNAME],
+ "ICON_NAME", &c->data[PROP_ICON_NAME],
+ "CHASSIS", &c->data[PROP_CHASSIS],
+ "DEPLOYMENT", &c->data[PROP_DEPLOYMENT],
+ "LOCATION", &c->data[PROP_LOCATION],
+ "HARDWARE_VENDOR", &c->data[PROP_HARDWARE_VENDOR],
+ "HARDWARE_MODEL", &c->data[PROP_HARDWARE_MODEL]);
+ if (r < 0 && r != -ENOENT)
+ log_warning_errno(r, "Failed to read /etc/machine-info, ignoring: %m");
+
+ c->etc_machine_info_stat = current_stat;
+}
+
+static void context_read_os_release(Context *c) {
+ struct stat current_stat = {};
+ int r;
+
+ assert(c);
+
+ if ((stat("/etc/os-release", &current_stat) >= 0 ||
+ stat("/usr/lib/os-release", &current_stat) >= 0) &&
+ stat_inode_unmodified(&c->etc_os_release_stat, &current_stat))
+ return;
+
+ context_reset(c,
+ (UINT64_C(1) << PROP_OS_PRETTY_NAME) |
+ (UINT64_C(1) << PROP_OS_CPE_NAME) |
+ (UINT64_C(1) << PROP_OS_HOME_URL));
+
+ r = parse_os_release(NULL,
+ "PRETTY_NAME", &c->data[PROP_OS_PRETTY_NAME],
+ "CPE_NAME", &c->data[PROP_OS_CPE_NAME],
+ "HOME_URL", &c->data[PROP_OS_HOME_URL]);
+ if (r < 0 && r != -ENOENT)
+ log_warning_errno(r, "Failed to read os-release file, ignoring: %m");
+
+ c->etc_os_release_stat = current_stat;
+}
+
+static bool use_dmi_data(void) {
+ int r;
+
+ r = getenv_bool("SYSTEMD_HOSTNAME_FORCE_DMI");
+ if (r >= 0) {
+ log_debug("Honouring $SYSTEMD_HOSTNAME_FORCE_DMI override: %s", yes_no(r));
+ return r;
+ }
+ if (r != -ENXIO)
+ log_debug_errno(r, "Failed to parse $SYSTEMD_HOSTNAME_FORCE_DMI, ignoring: %m");
+
+ if (detect_container() > 0) {
+ log_debug("Running in a container, not using DMI hardware data.");
+ return false;
+ }
+
+ return true;
+}
+
+static int get_dmi_data(const char *database_key, const char *regular_key, char **ret) {
+ _cleanup_(sd_device_unrefp) sd_device *device = NULL;
+ _cleanup_free_ char *b = NULL;
+ const char *s = NULL;
+ int r;
+
+ if (!use_dmi_data())
+ return -ENOENT;
+
+ r = sd_device_new_from_syspath(&device, "/sys/class/dmi/id");
+ if (r < 0)
+ return log_debug_errno(r, "Failed to open /sys/class/dmi/id device, ignoring: %m");
+
+ if (database_key)
+ (void) sd_device_get_property_value(device, database_key, &s);
+ if (!s && regular_key)
+ (void) sd_device_get_property_value(device, regular_key, &s);
+
+ if (!ret)
+ return !!s;
+
+ if (s) {
+ b = strdup(s);
+ if (!b)
+ return -ENOMEM;
+ }
+
+ *ret = TAKE_PTR(b);
+ return !!s;
+}
+
+static int get_hardware_vendor(char **ret) {
+ return get_dmi_data("ID_VENDOR_FROM_DATABASE", "ID_VENDOR", ret);
+}
+
+static int get_hardware_model(char **ret) {
+ return get_dmi_data("ID_MODEL_FROM_DATABASE", "ID_MODEL", ret);
+}
+
+static int get_hardware_firmware_data(const char *sysattr, char **ret) {
+ _cleanup_(sd_device_unrefp) sd_device *device = NULL;
+ _cleanup_free_ char *b = NULL;
+ const char *s = NULL;
+ int r;
+
+ assert(sysattr);
+
+ if (!use_dmi_data())
+ return -ENOENT;
+
+ r = sd_device_new_from_syspath(&device, "/sys/class/dmi/id");
+ if (r < 0)
+ return log_debug_errno(r, "Failed to open /sys/class/dmi/id device, ignoring: %m");
+
+ (void) sd_device_get_sysattr_value(device, sysattr, &s);
+ if (!isempty(s)) {
+ b = strdup(s);
+ if (!b)
+ return -ENOMEM;
+ }
+
+ if (ret)
+ *ret = TAKE_PTR(b);
+
+ return !isempty(s);
+}
+
+static int get_hardware_serial(char **ret) {
+ int r;
+
+ r = get_hardware_firmware_data("product_serial", ret);
+ if (r <= 0)
+ return get_hardware_firmware_data("board_serial", ret);
+
+ return r;
+}
+
+static int get_firmware_version(char **ret) {
+ return get_hardware_firmware_data("bios_version", ret);
+}
+
+static const char* valid_chassis(const char *chassis) {
+ assert(chassis);
+
+ return nulstr_get(
+ "vm\0"
+ "container\0"
+ "desktop\0"
+ "laptop\0"
+ "convertible\0"
+ "server\0"
+ "tablet\0"
+ "handset\0"
+ "watch\0"
+ "embedded\0",
+ chassis);
+}
+
+static bool valid_deployment(const char *deployment) {
+ assert(deployment);
+
+ return in_charset(deployment, VALID_DEPLOYMENT_CHARS);
+}
+
+static const char* fallback_chassis(void) {
+ const char *chassis;
+ _cleanup_free_ char *type = NULL;
+ Virtualization v;
+ unsigned t;
+ int r;
+
+ v = detect_virtualization();
+ if (v < 0)
+ log_debug_errno(v, "Failed to detect virtualization, ignoring: %m");
+ else if (VIRTUALIZATION_IS_VM(v))
+ return "vm";
+ else if (VIRTUALIZATION_IS_CONTAINER(v))
+ return "container";
+
+ r = read_one_line_file("/sys/class/dmi/id/chassis_type", &type);
+ if (r < 0) {
+ log_debug_errno(r, "Failed to read DMI chassis type, ignoring: %m");
+ goto try_acpi;
+ }
+
+ r = safe_atou(type, &t);
+ if (r < 0) {
+ log_debug_errno(r, "Failed to parse DMI chassis type \"%s\", ignoring: %m", type);
+ goto try_acpi;
+ }
+
+ /* We only list the really obvious cases here. The DMI data is unreliable enough, so let's not do any
+ * additional guesswork on top of that.
+ *
+ * See the SMBIOS Specification 3.5.0 section 7.4.1 for details about the values listed here:
+ *
+ * https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.5.0.pdf
+ */
+
+ switch (t) {
+
+ case 0x03: /* Desktop */
+ case 0x04: /* Low Profile Desktop */
+ case 0x06: /* Mini Tower */
+ case 0x07: /* Tower */
+ case 0x0D: /* All in one (i.e. PC built into monitor) */
+ case 0x23: /* Mini PC */
+ case 0x24: /* Stick PC */
+ return "desktop";
+
+ case 0x8: /* Portable */
+ case 0x9: /* Laptop */
+ case 0xA: /* Notebook */
+ case 0xE: /* Sub Notebook */
+ return "laptop";
+
+ case 0xB: /* Hand Held */
+ return "handset";
+
+ case 0x11: /* Main Server Chassis */
+ case 0x1C: /* Blade */
+ case 0x1D: /* Blade Enclosure */
+ return "server";
+
+ case 0x1E: /* Tablet */
+ return "tablet";
+
+ case 0x1F: /* Convertible */
+ case 0x20: /* Detachable */
+ return "convertible";
+
+ case 0x21: /* IoT Gateway */
+ case 0x22: /* Embedded PC */
+ return "embedded";
+
+ default:
+ log_debug("Unhandled DMI chassis type 0x%02x, ignoring.", t);
+ }
+
+try_acpi:
+ type = mfree(type);
+ r = read_one_line_file("/sys/firmware/acpi/pm_profile", &type);
+ if (r < 0) {
+ log_debug_errno(r, "Failed read ACPI PM profile, ignoring: %m");
+ goto try_devicetree;
+ }
+
+ r = safe_atou(type, &t);
+ if (r < 0) {
+ log_debug_errno(r, "Failed parse ACPI PM profile \"%s\", ignoring: %m", type);
+ goto try_devicetree;
+ }
+
+ /* We only list the really obvious cases here as the ACPI data is not really super reliable.
+ *
+ * See the ACPI 5.0 Spec Section 5.2.9.1 for details:
+ *
+ * http://www.acpi.info/DOWNLOADS/ACPIspec50.pdf
+ */
+
+ switch (t) {
+
+ case 1: /* Desktop */
+ case 3: /* Workstation */
+ case 6: /* Appliance PC */
+ return "desktop";
+
+ case 2: /* Mobile */
+ return "laptop";
+
+ case 4: /* Enterprise Server */
+ case 5: /* SOHO Server */
+ case 7: /* Performance Server */
+ return "server";
+
+ case 8: /* Tablet */
+ return "tablet";
+
+ default:
+ log_debug("Unhandled ACPI PM profile 0x%02x, ignoring.", t);
+ }
+
+try_devicetree:
+ type = mfree(type);
+ r = read_one_line_file("/proc/device-tree/chassis-type", &type);
+ if (r < 0) {
+ log_debug_errno(r, "Failed to read device-tree chassis type, ignoring: %m");
+ return NULL;
+ }
+
+ /* Note that the Devicetree specification uses the very same vocabulary
+ * of chassis types as we do, hence we do not need to translate these types:
+ *
+ * https://github.com/devicetree-org/devicetree-specification/blob/master/source/chapter3-devicenodes.rst */
+ chassis = valid_chassis(type);
+ if (!chassis)
+ log_debug("Invalid device-tree chassis type \"%s\", ignoring.", type);
+ return chassis;
+}
+
+static char* context_get_chassis(Context *c) {
+ const char *fallback;
+ char *dmi;
+
+ assert(c);
+
+ if (!isempty(c->data[PROP_CHASSIS]))
+ return strdup(c->data[PROP_CHASSIS]);
+
+ if (get_dmi_data("ID_CHASSIS", NULL, &dmi) > 0)
+ return dmi;
+
+ fallback = fallback_chassis();
+ if (fallback)
+ return strdup(fallback);
+
+ return NULL;
+}
+
+static char* context_fallback_icon_name(Context *c) {
+ _cleanup_free_ char *chassis = NULL;
+
+ assert(c);
+
+ chassis = context_get_chassis(c);
+ if (chassis)
+ return strjoin("computer-", chassis);
+
+ return strdup("computer");
+}
+
+static int context_update_kernel_hostname(
+ Context *c,
+ const char *transient_hn) {
+
+ _cleanup_free_ char *_hn_free = NULL;
+ const char *hn;
+ HostnameSource hns;
+ int r;
+
+ assert(c);
+
+ /* /etc/hostname has the highest preference ... */
+ if (c->data[PROP_STATIC_HOSTNAME]) {
+ hn = c->data[PROP_STATIC_HOSTNAME];
+ hns = HOSTNAME_STATIC;
+
+ /* ... the transient hostname, (ie: DHCP) comes next ... */
+ } else if (transient_hn) {
+ hn = transient_hn;
+ hns = HOSTNAME_TRANSIENT;
+
+ /* ... and the ultimate fallback */
+ } else {
+ hn = _hn_free = get_default_hostname();
+ if (!hn)
+ return log_oom();
+
+ hns = HOSTNAME_DEFAULT;
+ }
+
+ r = sethostname_idempotent(hn);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set hostname: %m");
+
+ if (c->hostname_source != hns) {
+ c->hostname_source = hns;
+ r = 1;
+ }
+
+ (void) nscd_flush_cache(STRV_MAKE("hosts"));
+
+ if (r == 0)
+ log_debug("Hostname was already set to <%s>.", hn);
+ else {
+ log_info("Hostname set to <%s> (%s)", hn, hostname_source_to_string(hns));
+
+ hostname_update_source_hint(hn, hns);
+ }
+
+ return r; /* 0 if no change, 1 if something was done */
+}
+
+static void unset_statp(struct stat **p) {
+ if (!*p)
+ return;
+
+ **p = (struct stat) {};
+}
+
+static int context_write_data_static_hostname(Context *c) {
+ _cleanup_(unset_statp) struct stat *s = NULL;
+ int r;
+
+ assert(c);
+
+ /* Make sure that if we fail here, we invalidate the cached information, since it was updated
+ * already, even if we can't make it hit the disk. */
+ s = &c->etc_hostname_stat;
+
+ if (isempty(c->data[PROP_STATIC_HOSTNAME])) {
+ if (unlink("/etc/hostname") < 0 && errno != ENOENT)
+ return -errno;
+
+ TAKE_PTR(s);
+ return 0;
+ }
+
+ r = write_string_file_atomic_label("/etc/hostname", c->data[PROP_STATIC_HOSTNAME]);
+ if (r < 0)
+ return r;
+
+ TAKE_PTR(s);
+ return 0;
+}
+
+static int context_write_data_machine_info(Context *c) {
+ _cleanup_(unset_statp) struct stat *s = NULL;
+ static const char * const name[_PROP_MAX] = {
+ [PROP_PRETTY_HOSTNAME] = "PRETTY_HOSTNAME",
+ [PROP_ICON_NAME] = "ICON_NAME",
+ [PROP_CHASSIS] = "CHASSIS",
+ [PROP_DEPLOYMENT] = "DEPLOYMENT",
+ [PROP_LOCATION] = "LOCATION",
+ };
+ _cleanup_strv_free_ char **l = NULL;
+ int r;
+
+ assert(c);
+
+ /* Make sure that if we fail here, we invalidate the cached information, since it was updated
+ * already, even if we can't make it hit the disk. */
+ s = &c->etc_machine_info_stat;
+
+ r = load_env_file(NULL, "/etc/machine-info", &l);
+ if (r < 0 && r != -ENOENT)
+ return r;
+
+ for (int p = PROP_PRETTY_HOSTNAME; p <= PROP_LOCATION; p++) {
+ assert(name[p]);
+
+ r = strv_env_assign(&l, name[p], empty_to_null(c->data[p]));
+ if (r < 0)
+ return r;
+ }
+
+ if (strv_isempty(l)) {
+ if (unlink("/etc/machine-info") < 0 && errno != ENOENT)
+ return -errno;
+
+ TAKE_PTR(s);
+ return 0;
+ }
+
+ r = write_env_file_label("/etc/machine-info", l);
+ if (r < 0)
+ return r;
+
+ TAKE_PTR(s);
+ return 0;
+}
+
+static int property_get_hardware_property(
+ sd_bus_message *reply,
+ Context *c,
+ HostProperty prop,
+ int (*getter)(char **)) {
+
+ _cleanup_free_ char *from_dmi = NULL;
+
+ assert(reply);
+ assert(c);
+ assert(IN_SET(prop, PROP_HARDWARE_VENDOR, PROP_HARDWARE_MODEL));
+ assert(getter);
+
+ context_read_machine_info(c);
+
+ if (isempty(c->data[prop]))
+ (void) getter(&from_dmi);
+
+ return sd_bus_message_append(reply, "s", from_dmi ?: c->data[prop]);
+}
+
+static int property_get_hardware_vendor(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ return property_get_hardware_property(reply, userdata, PROP_HARDWARE_VENDOR, get_hardware_vendor);
+}
+
+static int property_get_hardware_model(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ return property_get_hardware_property(reply, userdata, PROP_HARDWARE_MODEL, get_hardware_model);
+}
+
+static int property_get_firmware_version(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_free_ char *firmware_version = NULL;
+
+ (void) get_firmware_version(&firmware_version);
+
+ return sd_bus_message_append(reply, "s", firmware_version);
+}
+
+static int property_get_hostname(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_free_ char *hn = NULL;
+ int r;
+
+ r = gethostname_strict(&hn);
+ if (r < 0) {
+ if (r != -ENXIO)
+ return r;
+
+ hn = get_default_hostname();
+ if (!hn)
+ return -ENOMEM;
+ }
+
+ return sd_bus_message_append(reply, "s", hn);
+}
+
+static int property_get_static_hostname(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Context *c = ASSERT_PTR(userdata);
+
+ context_read_etc_hostname(c);
+
+ return sd_bus_message_append(reply, "s", c->data[PROP_STATIC_HOSTNAME]);
+}
+
+static int property_get_default_hostname(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_free_ char *hn = NULL;
+
+ hn = get_default_hostname();
+ if (!hn)
+ return log_oom();
+
+ return sd_bus_message_append(reply, "s", hn);
+}
+
+static void context_determine_hostname_source(Context *c) {
+ _cleanup_free_ char *hostname = NULL;
+ int r;
+
+ assert(c);
+
+ if (c->hostname_source >= 0)
+ return;
+
+ (void) gethostname_full(GET_HOSTNAME_ALLOW_LOCALHOST, &hostname);
+
+ if (streq_ptr(hostname, c->data[PROP_STATIC_HOSTNAME]))
+ c->hostname_source = HOSTNAME_STATIC;
+ else {
+ _cleanup_free_ char *fallback = NULL;
+
+ /* If the hostname was not set by us, try to figure out where it came from. If we set it to
+ * the default hostname, the file will tell us. We compare the string because it is possible
+ * that the hostname was set by an older version that had a different fallback, in the initrd
+ * or before we reexecuted. */
+
+ r = read_one_line_file("/run/systemd/default-hostname", &fallback);
+ if (r < 0 && r != -ENOENT)
+ log_warning_errno(r, "Failed to read /run/systemd/default-hostname, ignoring: %m");
+
+ if (streq_ptr(fallback, hostname))
+ c->hostname_source = HOSTNAME_DEFAULT;
+ else
+ c->hostname_source = HOSTNAME_TRANSIENT;
+ }
+}
+
+static int property_get_hostname_source(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Context *c = ASSERT_PTR(userdata);
+
+ context_read_etc_hostname(c);
+ context_determine_hostname_source(c);
+
+ return sd_bus_message_append(reply, "s", hostname_source_to_string(c->hostname_source));
+}
+
+static int property_get_machine_info_field(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ sd_bus_slot *slot;
+ Context *c;
+
+ /* Acquire the context object without this property's userdata offset added. Explanation: we want
+ * access to two pointers here: a) the main context object we cache all properties in, and b) the
+ * pointer to the property field inside the context object that we are supposed to update and
+ * use. The latter (b) we get in the 'userdata' function parameter, and sd-bus calculates that for us
+ * from the 'userdata' pointer we supplied when the vtable was registered, with the offset we
+ * specified in the vtable added on top. To get the former (a) we need the 'userdata' pointer from
+ * the vtable registration directly, without the offset added. Hence we ask sd-bus what the slot
+ * object is (which encapsulates the vtable registration), and then query the 'userdata' field
+ * directly off it. */
+ assert_se(slot = sd_bus_get_current_slot(bus));
+ assert_se(c = sd_bus_slot_get_userdata(slot));
+
+ context_read_machine_info(c);
+
+ return sd_bus_message_append(reply, "s", *(char**) userdata);
+}
+
+static int property_get_os_release_field(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ sd_bus_slot *slot;
+ Context *c;
+
+ /* As above, acquire the current context without this property's userdata offset added. */
+ assert_se(slot = sd_bus_get_current_slot(bus));
+ assert_se(c = sd_bus_slot_get_userdata(slot));
+
+ context_read_os_release(c);
+
+ return sd_bus_message_append(reply, "s", *(char**) userdata);
+}
+
+static int property_get_icon_name(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_free_ char *n = NULL;
+ Context *c = userdata;
+ const char *name;
+
+ context_read_machine_info(c);
+
+ if (isempty(c->data[PROP_ICON_NAME]))
+ name = n = context_fallback_icon_name(c);
+ else
+ name = c->data[PROP_ICON_NAME];
+
+ if (!name)
+ return -ENOMEM;
+
+ return sd_bus_message_append(reply, "s", name);
+}
+
+static int property_get_chassis(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ _cleanup_free_ char *chassis = NULL;
+ Context *c = userdata;
+
+ context_read_machine_info(c);
+
+ chassis = context_get_chassis(c);
+
+ return sd_bus_message_append(reply, "s", chassis);
+}
+
+static int property_get_uname_field(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ struct utsname u;
+
+ assert_se(uname(&u) >= 0);
+
+ return sd_bus_message_append(reply, "s", (char*) &u + PTR_TO_SIZE(userdata));
+}
+
+static int method_set_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ Context *c = ASSERT_PTR(userdata);
+ const char *name;
+ int interactive, r;
+
+ assert(m);
+
+ r = sd_bus_message_read(m, "sb", &name, &interactive);
+ if (r < 0)
+ return r;
+
+ name = empty_to_null(name);
+
+ /* We always go through with the procedure below without comparing to the current hostname, because
+ * we might want to adjust hostname source information even if the actual hostname is unchanged. */
+
+ if (name && !hostname_is_valid(name, 0))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid hostname '%s'", name);
+
+ context_read_etc_hostname(c);
+
+ r = bus_verify_polkit_async(
+ m,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.hostname1.set-hostname",
+ NULL,
+ interactive,
+ UID_INVALID,
+ &c->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+ r = context_update_kernel_hostname(c, name);
+ if (r < 0)
+ return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m");
+ else if (r > 0)
+ (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m),
+ "/org/freedesktop/hostname1", "org.freedesktop.hostname1",
+ "Hostname", "HostnameSource", NULL);
+
+ return sd_bus_reply_method_return(m, NULL);
+}
+
+static int method_set_static_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ Context *c = ASSERT_PTR(userdata);
+ const char *name;
+ int interactive;
+ int r;
+
+ assert(m);
+
+ r = sd_bus_message_read(m, "sb", &name, &interactive);
+ if (r < 0)
+ return r;
+
+ name = empty_to_null(name);
+
+ context_read_etc_hostname(c);
+
+ if (streq_ptr(name, c->data[PROP_STATIC_HOSTNAME]))
+ return sd_bus_reply_method_return(m, NULL);
+
+ if (name && !hostname_is_valid(name, 0))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid static hostname '%s'", name);
+
+ r = bus_verify_polkit_async(
+ m,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.hostname1.set-static-hostname",
+ NULL,
+ interactive,
+ UID_INVALID,
+ &c->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+ r = free_and_strdup_warn(&c->data[PROP_STATIC_HOSTNAME], name);
+ if (r < 0)
+ return r;
+
+ r = context_write_data_static_hostname(c);
+ if (r < 0) {
+ log_error_errno(r, "Failed to write static hostname: %m");
+ if (ERRNO_IS_PRIVILEGE(r))
+ return sd_bus_error_set(error, BUS_ERROR_FILE_IS_PROTECTED, "Not allowed to update /etc/hostname.");
+ if (r == -EROFS)
+ return sd_bus_error_set(error, BUS_ERROR_READ_ONLY_FILESYSTEM, "/etc/hostname is in a read-only filesystem.");
+ return sd_bus_error_set_errnof(error, r, "Failed to set static hostname: %m");
+ }
+
+ r = context_update_kernel_hostname(c, NULL);
+ if (r < 0) {
+ log_error_errno(r, "Failed to set hostname: %m");
+ return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m");
+ }
+
+ (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m),
+ "/org/freedesktop/hostname1", "org.freedesktop.hostname1",
+ "StaticHostname", "Hostname", "HostnameSource", NULL);
+
+ return sd_bus_reply_method_return(m, NULL);
+}
+
+static int set_machine_info(Context *c, sd_bus_message *m, int prop, sd_bus_message_handler_t cb, sd_bus_error *error) {
+ int interactive;
+ const char *name;
+ int r;
+
+ assert(c);
+ assert(m);
+
+ r = sd_bus_message_read(m, "sb", &name, &interactive);
+ if (r < 0)
+ return r;
+
+ name = empty_to_null(name);
+
+ context_read_machine_info(c);
+
+ if (streq_ptr(name, c->data[prop]))
+ return sd_bus_reply_method_return(m, NULL);
+
+ if (!isempty(name)) {
+ /* The icon name might ultimately be used as file
+ * name, so better be safe than sorry */
+
+ if (prop == PROP_ICON_NAME && !filename_is_valid(name))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid icon name '%s'", name);
+ if (prop == PROP_PRETTY_HOSTNAME && string_has_cc(name, NULL))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid pretty hostname '%s'", name);
+ if (prop == PROP_CHASSIS && !valid_chassis(name))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid chassis '%s'", name);
+ if (prop == PROP_DEPLOYMENT && !valid_deployment(name))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid deployment '%s'", name);
+ if (prop == PROP_LOCATION && string_has_cc(name, NULL))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid location '%s'", name);
+ }
+
+ /* Since the pretty hostname should always be changed at the
+ * same time as the static one, use the same policy action for
+ * both... */
+
+ r = bus_verify_polkit_async(
+ m,
+ CAP_SYS_ADMIN,
+ prop == PROP_PRETTY_HOSTNAME ? "org.freedesktop.hostname1.set-static-hostname" : "org.freedesktop.hostname1.set-machine-info",
+ NULL,
+ interactive,
+ UID_INVALID,
+ &c->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+ r = free_and_strdup_warn(&c->data[prop], name);
+ if (r < 0)
+ return r;
+
+ r = context_write_data_machine_info(c);
+ if (r < 0) {
+ log_error_errno(r, "Failed to write machine info: %m");
+ if (ERRNO_IS_PRIVILEGE(r))
+ return sd_bus_error_set(error, BUS_ERROR_FILE_IS_PROTECTED, "Not allowed to update /etc/machine-info.");
+ if (r == -EROFS)
+ return sd_bus_error_set(error, BUS_ERROR_READ_ONLY_FILESYSTEM, "/etc/machine-info is in a read-only filesystem.");
+ return sd_bus_error_set_errnof(error, r, "Failed to write machine info: %m");
+ }
+
+ log_info("Changed %s to '%s'",
+ prop == PROP_PRETTY_HOSTNAME ? "pretty hostname" :
+ prop == PROP_DEPLOYMENT ? "deployment" :
+ prop == PROP_LOCATION ? "location" :
+ prop == PROP_CHASSIS ? "chassis" : "icon name", strna(c->data[prop]));
+
+ (void) sd_bus_emit_properties_changed(
+ sd_bus_message_get_bus(m),
+ "/org/freedesktop/hostname1",
+ "org.freedesktop.hostname1",
+ prop == PROP_PRETTY_HOSTNAME ? "PrettyHostname" :
+ prop == PROP_DEPLOYMENT ? "Deployment" :
+ prop == PROP_LOCATION ? "Location" :
+ prop == PROP_CHASSIS ? "Chassis" : "IconName" , NULL);
+
+ return sd_bus_reply_method_return(m, NULL);
+}
+
+static int method_set_pretty_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ return set_machine_info(userdata, m, PROP_PRETTY_HOSTNAME, method_set_pretty_hostname, error);
+}
+
+static int method_set_icon_name(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ return set_machine_info(userdata, m, PROP_ICON_NAME, method_set_icon_name, error);
+}
+
+static int method_set_chassis(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ return set_machine_info(userdata, m, PROP_CHASSIS, method_set_chassis, error);
+}
+
+static int method_set_deployment(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ return set_machine_info(userdata, m, PROP_DEPLOYMENT, method_set_deployment, error);
+}
+
+static int method_set_location(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ return set_machine_info(userdata, m, PROP_LOCATION, method_set_location, error);
+}
+
+static int method_get_product_uuid(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ Context *c = ASSERT_PTR(userdata);
+ int interactive, r;
+ sd_id128_t uuid;
+
+ assert(m);
+
+ r = sd_bus_message_read(m, "b", &interactive);
+ if (r < 0)
+ return r;
+
+ r = bus_verify_polkit_async(
+ m,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.hostname1.get-product-uuid",
+ NULL,
+ interactive,
+ UID_INVALID,
+ &c->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+ r = id128_get_product(&uuid);
+ if (r < 0) {
+ if (r == -EADDRNOTAVAIL)
+ log_debug_errno(r, "DMI product UUID is all 0x00 or all 0xFF, ignoring.");
+ else
+ log_full_errno(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, r,
+ "Failed to read product UUID, ignoring: %m");
+
+ return sd_bus_error_set(error, BUS_ERROR_NO_PRODUCT_UUID,
+ "Failed to read product UUID from firmware.");
+ }
+
+ r = sd_bus_message_new_method_return(m, &reply);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append_array(reply, 'y', uuid.bytes, sizeof(uuid.bytes));
+ if (r < 0)
+ return r;
+
+ return sd_bus_send(NULL, reply, NULL);
+}
+
+static int method_get_hardware_serial(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_free_ char *serial = NULL;
+ Context *c = ASSERT_PTR(userdata);
+ int r;
+
+ assert(m);
+
+ r = bus_verify_polkit_async(
+ m,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.hostname1.get-hardware-serial",
+ NULL,
+ false,
+ UID_INVALID,
+ &c->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+ r = get_hardware_serial(&serial);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_new_method_return(m, &reply);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "s", serial);
+ if (r < 0)
+ return r;
+
+ return sd_bus_send(NULL, reply, NULL);
+}
+
+static int method_describe(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ _cleanup_free_ char *hn = NULL, *dhn = NULL, *in = NULL, *text = NULL,
+ *chassis = NULL, *vendor = NULL, *model = NULL, *serial = NULL, *firmware_version = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
+ sd_id128_t product_uuid = SD_ID128_NULL;
+ Context *c = ASSERT_PTR(userdata);
+ bool privileged;
+ struct utsname u;
+ int r;
+
+ assert(m);
+
+ r = bus_verify_polkit_async(
+ m,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.hostname1.get-description",
+ NULL,
+ false,
+ UID_INVALID,
+ &c->polkit_registry,
+ error);
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+ /* We ignore all authentication errors here, since most data is unprivileged, the one exception being
+ * the product ID which we'll check explicitly. */
+ privileged = r > 0;
+
+ context_read_etc_hostname(c);
+ context_read_machine_info(c);
+ context_read_os_release(c);
+ context_determine_hostname_source(c);
+
+ r = gethostname_strict(&hn);
+ if (r < 0) {
+ if (r != -ENXIO)
+ return log_error_errno(r, "Failed to read local host name: %m");
+
+ hn = get_default_hostname();
+ if (!hn)
+ return log_oom();
+ }
+
+ dhn = get_default_hostname();
+ if (!dhn)
+ return log_oom();
+
+ if (isempty(c->data[PROP_ICON_NAME]))
+ in = context_fallback_icon_name(c);
+
+ chassis = context_get_chassis(c);
+
+ assert_se(uname(&u) >= 0);
+
+ if (isempty(c->data[PROP_HARDWARE_VENDOR]))
+ (void) get_hardware_vendor(&vendor);
+ if (isempty(c->data[PROP_HARDWARE_MODEL]))
+ (void) get_hardware_model(&model);
+
+ if (privileged) {
+ /* The product UUID and hardware serial is only available to privileged clients */
+ (void) id128_get_product(&product_uuid);
+ (void) get_hardware_serial(&serial);
+ }
+ (void) get_firmware_version(&firmware_version);
+
+ r = json_build(&v, JSON_BUILD_OBJECT(
+ JSON_BUILD_PAIR("Hostname", JSON_BUILD_STRING(hn)),
+ JSON_BUILD_PAIR("StaticHostname", JSON_BUILD_STRING(c->data[PROP_STATIC_HOSTNAME])),
+ JSON_BUILD_PAIR("PrettyHostname", JSON_BUILD_STRING(c->data[PROP_PRETTY_HOSTNAME])),
+ JSON_BUILD_PAIR("DefaultHostname", JSON_BUILD_STRING(dhn)),
+ JSON_BUILD_PAIR("HostnameSource", JSON_BUILD_STRING(hostname_source_to_string(c->hostname_source))),
+ JSON_BUILD_PAIR("IconName", JSON_BUILD_STRING(in ?: c->data[PROP_ICON_NAME])),
+ JSON_BUILD_PAIR("Chassis", JSON_BUILD_STRING(chassis)),
+ JSON_BUILD_PAIR("Deployment", JSON_BUILD_STRING(c->data[PROP_DEPLOYMENT])),
+ JSON_BUILD_PAIR("Location", JSON_BUILD_STRING(c->data[PROP_LOCATION])),
+ JSON_BUILD_PAIR("KernelName", JSON_BUILD_STRING(u.sysname)),
+ JSON_BUILD_PAIR("KernelRelease", JSON_BUILD_STRING(u.release)),
+ JSON_BUILD_PAIR("KernelVersion", JSON_BUILD_STRING(u.version)),
+ JSON_BUILD_PAIR("OperatingSystemPrettyName", JSON_BUILD_STRING(c->data[PROP_OS_PRETTY_NAME])),
+ JSON_BUILD_PAIR("OperatingSystemCPEName", JSON_BUILD_STRING(c->data[PROP_OS_CPE_NAME])),
+ JSON_BUILD_PAIR("OperatingSystemHomeURL", JSON_BUILD_STRING(c->data[PROP_OS_HOME_URL])),
+ JSON_BUILD_PAIR("HardwareVendor", JSON_BUILD_STRING(vendor ?: c->data[PROP_HARDWARE_VENDOR])),
+ JSON_BUILD_PAIR("HardwareModel", JSON_BUILD_STRING(model ?: c->data[PROP_HARDWARE_MODEL])),
+ JSON_BUILD_PAIR("HardwareSerial", JSON_BUILD_STRING(serial)),
+ JSON_BUILD_PAIR("FirmwareVersion", JSON_BUILD_STRING(firmware_version)),
+ JSON_BUILD_PAIR_CONDITION(!sd_id128_is_null(product_uuid), "ProductUUID", JSON_BUILD_ID128(product_uuid)),
+ JSON_BUILD_PAIR_CONDITION(sd_id128_is_null(product_uuid), "ProductUUID", JSON_BUILD_NULL)));
+
+ if (r < 0)
+ return log_error_errno(r, "Failed to build JSON data: %m");
+
+ r = json_variant_format(v, 0, &text);
+ if (r < 0)
+ return log_error_errno(r, "Failed to format JSON data: %m");
+
+ r = sd_bus_message_new_method_return(m, &reply);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "s", text);
+ if (r < 0)
+ return r;
+
+ return sd_bus_send(NULL, reply, NULL);
+}
+
+static const sd_bus_vtable hostname_vtable[] = {
+ SD_BUS_VTABLE_START(0),
+ SD_BUS_PROPERTY("Hostname", "s", property_get_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("StaticHostname", "s", property_get_static_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("PrettyHostname", "s", property_get_machine_info_field, offsetof(Context, data) + sizeof(char*) * PROP_PRETTY_HOSTNAME, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("DefaultHostname", "s", property_get_default_hostname, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("HostnameSource", "s", property_get_hostname_source, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("IconName", "s", property_get_icon_name, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("Chassis", "s", property_get_chassis, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("Deployment", "s", property_get_machine_info_field, offsetof(Context, data) + sizeof(char*) * PROP_DEPLOYMENT, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("Location", "s", property_get_machine_info_field, offsetof(Context, data) + sizeof(char*) * PROP_LOCATION, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("KernelName", "s", property_get_uname_field, offsetof(struct utsname, sysname), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("KernelRelease", "s", property_get_uname_field, offsetof(struct utsname, release), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("KernelVersion", "s", property_get_uname_field, offsetof(struct utsname, version), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("OperatingSystemPrettyName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_PRETTY_NAME, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("OperatingSystemCPEName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_CPE_NAME, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("HomeURL", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_HOME_URL, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("HardwareVendor", "s", property_get_hardware_vendor, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("HardwareModel", "s", property_get_hardware_model, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("FirmwareVersion", "s", property_get_firmware_version, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+
+ SD_BUS_METHOD_WITH_ARGS("SetHostname",
+ SD_BUS_ARGS("s", hostname, "b", interactive),
+ SD_BUS_NO_RESULT,
+ method_set_hostname,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_ARGS("SetStaticHostname",
+ SD_BUS_ARGS("s", hostname, "b", interactive),
+ SD_BUS_NO_RESULT,
+ method_set_static_hostname,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_ARGS("SetPrettyHostname",
+ SD_BUS_ARGS("s", hostname, "b", interactive),
+ SD_BUS_NO_RESULT,
+ method_set_pretty_hostname,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_ARGS("SetIconName",
+ SD_BUS_ARGS("s", icon, "b", interactive),
+ SD_BUS_NO_RESULT,
+ method_set_icon_name,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_ARGS("SetChassis",
+ SD_BUS_ARGS("s", chassis, "b", interactive),
+ SD_BUS_NO_RESULT,
+ method_set_chassis,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_ARGS("SetDeployment",
+ SD_BUS_ARGS("s", deployment, "b", interactive),
+ SD_BUS_NO_RESULT,
+ method_set_deployment,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_ARGS("SetLocation",
+ SD_BUS_ARGS("s", location, "b", interactive),
+ SD_BUS_NO_RESULT,
+ method_set_location,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_ARGS("GetProductUUID",
+ SD_BUS_ARGS("b", interactive),
+ SD_BUS_RESULT("ay", uuid),
+ method_get_product_uuid,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_ARGS("GetHardwareSerial",
+ SD_BUS_NO_ARGS,
+ SD_BUS_RESULT("s", serial),
+ method_get_hardware_serial,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD_WITH_ARGS("Describe",
+ SD_BUS_NO_ARGS,
+ SD_BUS_RESULT("s", json),
+ method_describe,
+ SD_BUS_VTABLE_UNPRIVILEGED),
+
+ SD_BUS_VTABLE_END,
+};
+
+static const BusObjectImplementation manager_object = {
+ "/org/freedesktop/hostname1",
+ "org.freedesktop.hostname1",
+ .vtables = BUS_VTABLES(hostname_vtable),
+};
+
+static int connect_bus(Context *c, sd_event *event, sd_bus **ret) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ int r;
+
+ assert(c);
+ assert(event);
+ assert(ret);
+
+ r = sd_bus_default_system(&bus);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get system bus connection: %m");
+
+ r = bus_add_implementation(bus, &manager_object, c);
+ if (r < 0)
+ return r;
+
+ r = bus_log_control_api_register(bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_request_name_async(bus, NULL, "org.freedesktop.hostname1", 0, NULL, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to request name: %m");
+
+ r = sd_bus_attach_event(bus, event, 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to attach bus to event loop: %m");
+
+ *ret = TAKE_PTR(bus);
+ return 0;
+}
+
+static int run(int argc, char *argv[]) {
+ _cleanup_(context_destroy) Context context = {
+ .hostname_source = _HOSTNAME_INVALID, /* appropriate value will be set later */
+ };
+ _cleanup_(sd_event_unrefp) sd_event *event = NULL;
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ int r;
+
+ log_setup();
+
+ r = service_parse_argv("systemd-hostnamed.service",
+ "Manage the system hostname and related metadata.",
+ BUS_IMPLEMENTATIONS(&manager_object,
+ &log_control_object),
+ argc, argv);
+ if (r <= 0)
+ return r;
+
+ umask(0022);
+
+ r = mac_selinux_init();
+ if (r < 0)
+ return r;
+
+ assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0);
+
+ r = sd_event_default(&event);
+ if (r < 0)
+ return log_error_errno(r, "Failed to allocate event loop: %m");
+
+ (void) sd_event_set_watchdog(event, true);
+
+ r = sd_event_add_signal(event, NULL, SIGINT, NULL, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to install SIGINT handler: %m");
+
+ r = sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to install SIGTERM handler: %m");
+
+ r = connect_bus(&context, event, &bus);
+ if (r < 0)
+ return r;
+
+ r = bus_event_loop_with_idle(event, bus, "org.freedesktop.hostname1", DEFAULT_EXIT_USEC, NULL, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to run event loop: %m");
+
+ return 0;
+}
+
+DEFINE_MAIN_FUNCTION(run);
diff --git a/src/hostname/meson.build b/src/hostname/meson.build
new file mode 100644
index 0000000..718a7bd
--- /dev/null
+++ b/src/hostname/meson.build
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+if conf.get('ENABLE_HOSTNAMED') == 1
+ install_data('org.freedesktop.hostname1.conf',
+ install_dir : dbuspolicydir)
+ install_data('org.freedesktop.hostname1.service',
+ install_dir : dbussystemservicedir)
+ install_data('org.freedesktop.hostname1.policy',
+ install_dir : polkitpolicydir)
+endif
diff --git a/src/hostname/org.freedesktop.hostname1.conf b/src/hostname/org.freedesktop.hostname1.conf
new file mode 100644
index 0000000..5b70625
--- /dev/null
+++ b/src/hostname/org.freedesktop.hostname1.conf
@@ -0,0 +1,29 @@
+<?xml version="1.0"?> <!--*-nxml-*-->
+<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
+ "https://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
+
+<!--
+ SPDX-License-Identifier: LGPL-2.1-or-later
+
+ This file is part of systemd.
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+-->
+
+<busconfig>
+
+ <policy user="root">
+ <allow own="org.freedesktop.hostname1"/>
+ <allow send_destination="org.freedesktop.hostname1"/>
+ <allow receive_sender="org.freedesktop.hostname1"/>
+ </policy>
+
+ <policy context="default">
+ <allow send_destination="org.freedesktop.hostname1"/>
+ <allow receive_sender="org.freedesktop.hostname1"/>
+ </policy>
+
+</busconfig>
diff --git a/src/hostname/org.freedesktop.hostname1.policy b/src/hostname/org.freedesktop.hostname1.policy
new file mode 100644
index 0000000..bfc36d1
--- /dev/null
+++ b/src/hostname/org.freedesktop.hostname1.policy
@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="UTF-8"?> <!--*-nxml-*-->
+<!DOCTYPE policyconfig PUBLIC "-//freedesktop//DTD PolicyKit Policy Configuration 1.0//EN"
+ "https://www.freedesktop.org/standards/PolicyKit/1/policyconfig.dtd">
+
+<!--
+ SPDX-License-Identifier: LGPL-2.1-or-later
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+-->
+
+<policyconfig>
+
+ <vendor>The systemd Project</vendor>
+ <vendor_url>https://systemd.io</vendor_url>
+
+ <action id="org.freedesktop.hostname1.set-hostname">
+ <description gettext-domain="systemd">Set hostname</description>
+ <message gettext-domain="systemd">Authentication is required to set the local hostname.</message>
+ <defaults>
+ <allow_any>auth_admin_keep</allow_any>
+ <allow_inactive>auth_admin_keep</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
+ <action id="org.freedesktop.hostname1.set-static-hostname">
+ <description gettext-domain="systemd">Set static hostname</description>
+ <message gettext-domain="systemd">Authentication is required to set the statically configured local hostname, as well as the pretty hostname.</message>
+ <defaults>
+ <allow_any>auth_admin_keep</allow_any>
+ <allow_inactive>auth_admin_keep</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ <annotate key="org.freedesktop.policykit.imply">org.freedesktop.hostname1.set-hostname org.freedesktop.hostname1.set-machine-info</annotate>
+ </action>
+
+ <action id="org.freedesktop.hostname1.set-machine-info">
+ <description gettext-domain="systemd">Set machine information</description>
+ <message gettext-domain="systemd">Authentication is required to set local machine information.</message>
+ <defaults>
+ <allow_any>auth_admin_keep</allow_any>
+ <allow_inactive>auth_admin_keep</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
+ <action id="org.freedesktop.hostname1.get-product-uuid">
+ <description gettext-domain="systemd">Get product UUID</description>
+ <message gettext-domain="systemd">Authentication is required to get product UUID.</message>
+ <defaults>
+ <allow_any>auth_admin_keep</allow_any>
+ <allow_inactive>auth_admin_keep</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
+ <action id="org.freedesktop.hostname1.get-hardware-serial">
+ <description gettext-domain="systemd">Get hardware serial number</description>
+ <message gettext-domain="systemd">Authentication is required to get hardware serial number.</message>
+ <defaults>
+ <allow_any>auth_admin_keep</allow_any>
+ <allow_inactive>auth_admin_keep</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
+ <action id="org.freedesktop.hostname1.get-description">
+ <description gettext-domain="systemd">Get system description</description>
+ <message gettext-domain="systemd">Authentication is required to get system description.</message>
+ <defaults>
+ <allow_any>auth_admin_keep</allow_any>
+ <allow_inactive>auth_admin_keep</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
+</policyconfig>
diff --git a/src/hostname/org.freedesktop.hostname1.service b/src/hostname/org.freedesktop.hostname1.service
new file mode 100644
index 0000000..1d6b9c8
--- /dev/null
+++ b/src/hostname/org.freedesktop.hostname1.service
@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+#
+# systemd is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2.1 of the License, or
+# (at your option) any later version.
+
+[D-BUS Service]
+Name=org.freedesktop.hostname1
+Exec=/bin/false
+User=root
+SystemdService=dbus-org.freedesktop.hostname1.service
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 19:55:08 +0000