static void
test_write_hostname ()
{
gchar *hostname = read_hostname ("hostname");
gchar *tmp;
write_hostname ("gentoo-nm", "hostname");
tmp = read_hostname ("hostname");
ASSERT (strcmp (tmp, "gentoo-nm") == 0,
"write hostname", "write hostname error");
write_hostname (hostname, "hostname");
g_free (tmp);
g_free (hostname);
}
static void
test_read_hostname ()
{
gchar *hostname = read_hostname ("hostname");
ASSERT (hostname != NULL, "get hostname", "hostname is NULL");
ASSERT (strcmp ("gentoo", hostname) == 0,
"get hostname",
"hostname is not correctly read, read:%s, expected: gentoo",
hostname);
g_free (hostname);
}
static void
update_system_hostname (gpointer config)
{
SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (config);
PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Updating hostname");
if (priv->hostname)
g_free (priv->hostname);
priv->hostname = read_hostname (IFNET_SYSTEM_HOSTNAME_FILE);
g_object_notify (G_OBJECT (config),
NM_SYSTEM_CONFIG_INTERFACE_HOSTNAME);
PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Hostname updated to: %s",
priv->hostname);
}
/* function: getting some systems informations
* return: nothing, yust fill the struct statistics
*/
int get_sysinfos(void)
{
// getting the hostname
statistics.hostname=Strdup(read_hostname());
// the revision of the image
statistics.rev=Strdup(read_hardware(1));
// the vendor + model
statistics.vendor=Strdup(read_hardware(2));
// the uptime
statistics.uptime=Strdup(get_uptime());
// the kernel version
statistics.kernel=Strdup(kernelversion());
// the CPU version
statistics.cpu=Strdup(get_cpuinfo());
return 0;
}
int hostname_setup(void) {
int r;
char *b = NULL;
const char *hn = NULL;
bool enoent = false;
r = read_hostname(&b);
if (r < 0) {
hn = NULL;
if (r == -ENOENT)
enoent = true;
else
log_warning("Failed to read configured hostname: %s", strerror(-r));
} else
hn = b;
if (isempty(hn)) {
/* Don't override the hostname if it is already set
* and not explicitly configured */
if (hostname_is_set())
goto finish;
if (enoent)
log_info("No hostname configured.");
hn = "localhost";
}
if (sethostname(hn, strlen(hn)) < 0) {
log_warning("Failed to set hostname to <%s>: %m", hn);
r = -errno;
} else
log_info("Set hostname to <%s>.", hn);
finish:
free(b);
return r;
}
