+int main() {
+
+ hostnamed_freeable = g_ptr_array_new();
+
+ /* TODO: check for valid, writable config at init. if no, complain to `make install` */
+
+ CHASSIS = ICON = OS_CPENAME = 0;
+ KERN_NAME = KERN_RELEASE = KERN_VERS = 0;
+ HOSTNAME = STATIC_HOSTNAME = PRETTY_HOSTNAME = NULL;
+
+ set_signal_handlers();
+
+ if(!determine_chassis_and_icon() || !set_uname_properties() || !set_names())
+ return 1;
+
+ hostnamed_loop = g_main_loop_new(NULL, TRUE);
+
+ bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
+ "org.freedesktop.hostname1",
+ G_BUS_NAME_OWNER_FLAGS_NONE,
+ hostnamed_on_bus_acquired,
+ hostnamed_on_name_acquired,
+ hostnamed_on_name_lost,
+ NULL,
+ NULL);
+
+ g_main_loop_run(hostnamed_loop);
+ /* runs until single g_main_loop_quit() call is raised inside <interface>_mem_clean() */
+ g_main_loop_unref(hostnamed_loop);
+
+ /* guaranteed unownable */
+ g_bus_unown_name(bus_descriptor);
+
+ /* at this point no operations can occur with our data, it is safe to free it + its container */
+ g_ptr_array_free(hostnamed_freeable, TRUE);
+
+ return 0;
+}
+
+gboolean set_names() {
+
+ /* (1) set up */
+ gchar *hostname_buf, *static_hostname_buf, *pretty_hostname_buf;
+ GKeyFile *config;
+ size_t hostname_divider;
+
+ hostname_buf = (gchar*) g_malloc0(MAXHOSTNAMELEN);
+ static_hostname_buf = (gchar*) g_malloc0(4096);
+ pretty_hostname_buf = (gchar*) g_malloc0(4096);
+
+ config = g_key_file_new();
+
+ g_ptr_array_add(hostnamed_freeable, hostname_buf);
+ g_ptr_array_add(hostnamed_freeable, static_hostname_buf);
+ g_ptr_array_add(hostnamed_freeable, pretty_hostname_buf);
+
+ /* (2) set HOSTNAME */
+ if(gethostname(hostname_buf, MAXHOSTNAMELEN) || !g_strcmp0(hostname_buf, ""))
+ HOSTNAME = "localhost";
+
+ HOSTNAME = hostname_buf;
+
+ /* this bit gets you the /etc/myname style hostname
+ hostname_divider = strcspn(hostname_buf, ".");
+ strncpy(ret, hostname_buf, hostname_divider); */
+
+ /* (3) set PRETTY_HOSTNAME */
+ if(g_key_file_load_from_file(config, "/etc/systemd_compat.conf", G_KEY_FILE_NONE, NULL)
+ && (pretty_hostname_buf = g_key_file_get_value(config, "hostnamed", "PrettyHostname", NULL)))
+ PRETTY_HOSTNAME = pretty_hostname_buf;
+ else
+ PRETTY_HOSTNAME = "";
+
+ if(config)
+ g_key_file_unref(config);
+
+ /* (4) set STATIC_HOSTNAME */
+ if(!g_strcmp0(PRETTY_HOSTNAME, ""))
+ STATIC_HOSTNAME = HOSTNAME;
+
+ else if((static_hostname_buf = g_hostname_to_ascii(PRETTY_HOSTNAME)))
+ STATIC_HOSTNAME = static_hostname_buf;
+
+ return (HOSTNAME && STATIC_HOSTNAME && PRETTY_HOSTNAME) ? TRUE : FALSE;
+
+}
+
+gboolean set_uname_properties() {
+
+ struct utsname un;
+
+ if(-1 == uname(&un))
+ return FALSE;
+
+ KERN_NAME = (gchar*)g_malloc0(sizeof(un.sysname));
+ g_ptr_array_add(hostnamed_freeable, KERN_NAME);
+ g_strlcpy(KERN_NAME, un.sysname, sizeof(un.sysname));
+
+ KERN_RELEASE = (gchar*)g_malloc0(sizeof(un.release));
+ g_ptr_array_add(hostnamed_freeable, KERN_RELEASE);
+ g_strlcpy(KERN_RELEASE, un.release, sizeof(un.release));
+
+ KERN_VERS = (gchar*)g_malloc0(sizeof(un.version));
+ g_ptr_array_add(hostnamed_freeable, KERN_VERS);
+ g_strlcpy(KERN_VERS, un.version, sizeof(un.version));
+
+ return TRUE;
+}
+
+gboolean determine_chassis_and_icon() {
+
+ const size_t bufsize = 4096;
+
+ char *hwproduct, *hwmodel, *hwvendor, *hwmachine;
+ size_t hwproduct_size, hwmodel_size, hwvendor_size, hwmachine_size;
+ int hwproduct_name[2], hwmodel_name[2], hwvendor_name[2], hwmachine_name[2];
+ unsigned int i;
+ gboolean UNSURE_CHASSIS_FLAG, UNSURE_ICON_FLAG;
+
+ hwproduct_size = hwmodel_size = hwvendor_size = hwmachine_size = bufsize;
+ UNSURE_CHASSIS_FLAG = UNSURE_ICON_FLAG = FALSE;
+ i = 0;
+
+ hwproduct = (char*)g_malloc0(4096);
+ hwmodel = (char*)g_malloc0(4096);
+ hwvendor = (char*)g_malloc0(4096);
+ hwmachine = (char*)g_malloc0(4096);
+
+ g_ptr_array_add(hostnamed_freeable, hwproduct);
+ g_ptr_array_add(hostnamed_freeable, hwmodel);
+ g_ptr_array_add(hostnamed_freeable, hwvendor);
+ g_ptr_array_add(hostnamed_freeable, hwmachine);
+
+ hwproduct_name[0] = CTL_HW;
+ hwproduct_name[1] = HW_PRODUCT;
+
+ hwmodel_name[0] = CTL_HW;
+ hwmodel_name[1] = HW_MODEL;
+
+ hwvendor_name[0] = CTL_HW;
+ hwvendor_name[1] = HW_VENDOR;
+
+ hwmachine_name[0] = CTL_HW;
+ hwmachine_name[1] = HW_MACHINE;
+
+ /* pass NULL buffer to check size first, then pass hw to be filled according to freshly-set hw_size */
+ if(-1 == sysctl(hwproduct_name, 2, NULL, &hwproduct_size, NULL, 0) || -1 == sysctl(hwproduct_name, 2, hwproduct, &hwproduct_size, NULL, 0))
+ return FALSE;
+
+ if(-1 == sysctl(hwmodel_name, 2, NULL, &hwmodel_size, NULL, 0) || -1 == sysctl(hwmodel_name, 2, hwmodel, &hwmodel_size, NULL, 0))
+ return FALSE;
+
+ if(-1 == sysctl(hwvendor_name, 2, NULL, &hwvendor_size, NULL, 0) || -1 == sysctl(hwvendor_name, 2, hwvendor, &hwvendor_size, NULL, 0))
+ return FALSE;
+
+ if(-1 == sysctl(hwmachine_name, 2, NULL, &hwmachine_size, NULL, 0) || -1 == sysctl(hwmachine_name, 2, hwmachine, &hwmachine_size, NULL, 0))
+ return FALSE;
+
+ /* TODO: test for laptop, if not, dmidecode for desktop vs. server
+ * probably move this code to vm test func and set a global after running it early, once */
+
+ for(; i < G_N_ELEMENTS(chassis_indicator_table); i++) {
+ if(strcasestr(hwproduct, chassis_indicator_table[i].match_string)
+ || strcasestr(hwmodel, chassis_indicator_table[i].match_string)
+ || strcasestr(hwvendor, chassis_indicator_table[i].match_string)) {
+
+ if(!UNSURE_CHASSIS_FLAG && chassis_indicator_table[i].chassis) {
+
+ UNSURE_CHASSIS_FLAG = chassis_indicator_table[i].chassis_precedence;
+ CHASSIS = chassis_indicator_table[i].chassis;
+ }
+
+ if(!UNSURE_ICON_FLAG && chassis_indicator_table[i].icon) {
+
+ UNSURE_ICON_FLAG = chassis_indicator_table[i].icon_precedence;
+ ICON = chassis_indicator_table[i].icon;
+ }
+ }
+ }
+
+ if(up_native_is_laptop()) {
+
+ if(!CHASSIS)
+ CHASSIS = "laptop";
+ if(!ICON)
+ ICON = "input-touchpad"; /* TODO pull an icon package that actually has the icons we're looking for */
+
+ } else if(is_server(hwmachine)) {
+
+ if(!CHASSIS)
+ CHASSIS = "server";
+ if(!ICON)
+ ICON = "uninterruptible-power-supply";
+
+ } else if(!CHASSIS || !ICON) {
+
+ if(!CHASSIS)
+ CHASSIS = "desktop";
+ if(!ICON)
+ ICON = "computer";
+ }
+
+ return (CHASSIS && ICON);
+}
+
+gboolean is_server(gchar *arch) {
+
+ unsigned int i;
+
+ for(; i < G_N_ELEMENTS(server_archs); i++)
+ if(strcasestr(arch, server_archs[i]))
+ return TRUE;
+
+ return FALSE;
+}
+
+gboolean up_native_is_laptop() {
+
+ struct apm_power_info bstate;
+ struct sensordev acpiac;
+
+ if (up_native_get_sensordev("acpiac0", &acpiac))
+ return TRUE;
+
+ if (-1 == ioctl(up_apm_get_fd(), APM_IOC_GETPOWER, &bstate))
+ g_error("ioctl on apm fd failed : %s", g_strerror(errno));
+
+ return bstate.ac_state != APM_AC_UNKNOWN;
+}
+
+int up_apm_get_fd() {
+
+ static int apm_fd = 0;
+
+ if(apm_fd == 0) {
+
+ g_debug("apm_fd is not initialized yet, opening");
+
+ /* open /dev/apm */
+ if((apm_fd = open("/dev/apm", O_RDONLY)) == -1) {
+ if(errno != ENXIO && errno != ENOENT)
+ g_error("cannot open device file");
+ }
+ }
+
+ return apm_fd;
+}
+
+gboolean up_native_get_sensordev(const char * id, struct sensordev * snsrdev) {
+
+ int devn;
+ size_t sdlen = sizeof(struct sensordev);
+ int mib[] = {CTL_HW, HW_SENSORS, 0, 0 ,0};
+
+ for (devn = 0 ; ; devn++) {
+ mib[2] = devn;
+ if(sysctl(mib, 3, snsrdev, &sdlen, NULL, 0) == -1) {
+ if(errno == ENXIO)
+ continue;
+ if(errno == ENOENT)
+ break;
+ }
+
+ if (!strcmp(snsrdev->xname, id))
+ return TRUE;
+ }
+
+ return FALSE;
+}