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#include <cstdlib>
#include <string>
#include <glib.h>
#include <gio/gio.h>
#include <deviceinfo.h>
int main() {
DeviceInfo info;
bool has_error = false;
g_autoptr(GError) error = NULL;
g_autoptr(GDBusProxy) hostname1 = g_dbus_proxy_new_for_bus_sync(
G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS,
/* interface info */ NULL,
"org.freedesktop.hostname1",
"/org/freedesktop/hostname1",
"org.freedesktop.hostname1",
/* cancellable */ NULL,
&error);
if (!hostname1) {
g_error("Can't connect to org.freedesktop.hostname1, can't update machine info (%s)",
error->message);
return EXIT_FAILURE;
}
g_autoptr(GVariant) pretty_hostname_v = g_dbus_proxy_get_cached_property(hostname1, "PrettyHostname");
const char *pretty_hostname = NULL;
if (pretty_hostname_v)
pretty_hostname = g_variant_get_string(pretty_hostname_v, /* (out) length */ NULL);
g_autoptr(GVariant) chassis_v = g_dbus_proxy_get_cached_property(hostname1, "Chassis");
const char *chassis = NULL;
if (chassis_v)
chassis = g_variant_get_string(chassis_v, /* (out) length */ NULL);
g_debug("From org.freedesktop.hostname1, PrettyHostname = '%s', Chassis = '%s'",
pretty_hostname ?: "(NULL)",
chassis ?: "(NULL)");
/* Only update hostname when pretty hostname is not present yet
* as otherwise it could have been overriden by the user */
if (!pretty_hostname || pretty_hostname[0] == '\0') {
std::string pretty_name = info.prettyName();
g_autoptr(GVariant) ret = g_dbus_proxy_call_sync(
hostname1,
"SetPrettyHostname",
g_variant_new("(sb)", pretty_name.c_str(), /* interactive */ FALSE),
G_DBUS_CALL_FLAGS_NONE,
/* timeout_msec */ 1000,
/* cancellable */ NULL,
&error);
if (error) {
g_warning("Can't set pretty hostname: %s", error->message);
g_clear_error(&error);
has_error = true;
} else {
g_debug("Set pretty hostname to '%s'", pretty_name.c_str());
}
}
switch (info.deviceType()) {
case DeviceInfo::DeviceType::Phone:
chassis = "handset";
break;
case DeviceInfo::DeviceType::Tablet:
chassis = "tablet";
break;
case DeviceInfo::DeviceType::Desktop:
case DeviceInfo::DeviceType::Unknown:
/* In these cases Hostnamed usually knows better. */
chassis = NULL;
break;
}
if (chassis) {
g_autoptr(GVariant) ret = g_dbus_proxy_call_sync(
hostname1,
"SetChassis",
g_variant_new("(sb)", chassis, /* interactive */ FALSE),
G_DBUS_CALL_FLAGS_NONE,
/* timeout_msec */ 1000,
/* cancellable */ NULL,
&error);
if (error) {
g_warning("Can't set chassis: %s", error->message);
g_clear_error(&error);
has_error = true;
} else {
g_debug("Set chassis to '%s'", chassis);
}
}
return has_error ? EXIT_FAILURE : EXIT_SUCCESS;
}
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