Add support for retrieving system hostname

diff --git a/plugins/loopback.c b/plugins/loopback.c
index 94059e0..6cd5b85 100644 (file)
--- a/plugins/loopback.c
+++ b/plugins/loopback.c
@@ -43,6 +43,8 @@
 static in_addr_t loopback_address;
 static in_addr_t loopback_netmask;
 
+static char system_hostname[HOST_NAME_MAX + 1];
+
 #if 0
 static GIOChannel *inotify_channel = NULL;
 
@@ -146,21 +148,24 @@ static void create_hostname(void)
 
        if (sethostname(name, strlen(name)) < 0)
                connman_error("Failed to set hostname to %s", name);
+
+       strncpy(system_hostname, name, HOST_NAME_MAX);
 }
 
 static int setup_hostname(void)
 {
        char name[HOST_NAME_MAX + 1];
 
-       memset(name, 0, sizeof(name));
+       memset(system_hostname, 0, sizeof(system_hostname));
 
-       if (gethostname(name, HOST_NAME_MAX) < 0) {
+       if (gethostname(system_hostname, HOST_NAME_MAX) < 0) {
                connman_error("Failed to get current hostname");
                return -EIO;
        }
 
-       if (strlen(name) > 0 && strcmp(name, "(none)") != 0)
-               connman_info("System hostname is %s", name);
+       if (strlen(system_hostname) > 0 &&
+                               strcmp(system_hostname, "(none)") != 0)
+               connman_info("System hostname is %s", system_hostname);
        else
                create_hostname();
 
@@ -279,6 +284,11 @@ done:
        return err;
 }
 
+static const char *loopback_get_hostname(void)
+{
+       return system_hostname;
+}
+
 static int loopback_set_hostname(const char *hostname)
 {
        int err;
@@ -314,6 +324,7 @@ static int loopback_set_domainname(const char *domainname)
 
 static struct connman_utsname_driver loopback_driver = {
        .name           = "loopback",
+       .get_hostname   = loopback_get_hostname,
        .set_hostname   = loopback_set_hostname,
        .set_domainname = loopback_set_domainname,
 };