+static in_addr_t loopback_address;
+static in_addr_t loopback_netmask;
+
+static char system_hostname[HOST_NAME_MAX + 1];
+
+static void create_hostname(void)
+{
+ const char *name = "localhost";
+
+ if (sethostname(name, strlen(name)) < 0)
+ connman_error("Failed to set hostname to %s", name);
+
+ strncpy(system_hostname, name, HOST_NAME_MAX);
+}
+
+#if defined TIZEN_EXT
+static void _create_hostname(void)
+{
+ FILE *fp = NULL;
+#define WIFI_MAC "/opt/etc/.mac.info"
+
+ memset(system_hostname, 0, sizeof(system_hostname));
+
+ char* rv = 0;
+ gchar* dev_id = "TIZEN";
+ char wifi_mac[HOST_NAME_MAX + 1];
+
+ fp = fopen(WIFI_MAC, "r");
+ if(!fp){
+ connman_error("Failed to get current hostname");
+ strncpy(system_hostname, dev_id, strlen(dev_id));
+ return;
+ }
+
+ rv = fgets(wifi_mac, HOST_NAME_MAX, fp);
+ if(!rv){
+ connman_error("Failed to get current hostname");
+ strncpy(system_hostname, dev_id, strlen(dev_id));
+ fclose(fp);
+ return;
+ }
+
+ dev_id = g_base64_encode((const guchar *)wifi_mac, strlen(wifi_mac));
+ g_sprintf(system_hostname, "TIZEN-%s", dev_id);
+ g_free(dev_id);
+ fclose(fp);
+}
+#endif
+
+static int setup_hostname(void)
+{
+ char name[HOST_NAME_MAX + 1];
+
+ memset(system_hostname, 0, sizeof(system_hostname));
+
+ if (gethostname(system_hostname, HOST_NAME_MAX) < 0) {
+ connman_error("Failed to get current hostname");
+ return -EIO;
+ }
+#if defined TIZEN_EXT
+ if (strlen(system_hostname) > 0 &&
+ strcmp(system_hostname, "(none)") != 0 &&
+ strcmp(system_hostname, "localhost") != 0)
+ connman_info("System hostname is %s", system_hostname);
+ else
+ _create_hostname();
+#else
+ if (strlen(system_hostname) > 0 &&
+ strcmp(system_hostname, "(none)") != 0)
+ connman_info("System hostname is %s", system_hostname);
+ else
+ create_hostname();
+#endif
+
+ memset(name, 0, sizeof(name));
+
+ if (getdomainname(name, HOST_NAME_MAX) < 0) {
+ connman_error("Failed to get current domainname");
+ return -EIO;
+ }
+
+ if (strlen(name) > 0 && strcmp(name, "(none)") != 0)
+ connman_info("System domainname is %s", name);
+
+ return 0;
+}
+
+static bool valid_loopback(int sk, struct ifreq *ifr)