void nm_backend_update_dns (void)
{
/* Invalidate the nscd host cache, if it exists, since we changed resolv.conf */
if (g_file_test ("/usr/sbin/nscd", G_FILE_TEST_EXISTS | G_FILE_TEST_IS_EXECUTABLE | G_FILE_TEST_IS_REGULAR)) {
nm_spawn_process ("/etc/init.d/nscd condrestart");
nm_spawn_process ("/usr/sbin/nscd -i hosts");
}
}
/*
* nm_system_update_dns
*
* Invalidate the nscd host cache, if it exists, since
* we changed resolv.conf.
*
*/
void nm_system_update_dns (void)
{
if (g_file_test ("/usr/sbin/nscd", G_FILE_TEST_IS_EXECUTABLE)) {
nm_log_info (LOGD_DNS, "Clearing nscd hosts cache.");
nm_spawn_process ("/usr/sbin/nscd -i hosts");
}
}
/*
* nm_system_enable_loopback
*
* Bring up the loopback interface
*
*/
void nm_system_enable_loopback (void)
{
/* ifupdown isn't always installed (bgo #625427) */
if (g_file_test ("/sbin/ifup", G_FILE_TEST_EXISTS))
nm_spawn_process ("/sbin/ifup lo");
else
nm_generic_enable_loopback ();
}
void nm_backend_update_dns (void)
{
/* Invalidate the nscd host cache, if it exists, since we changed resolv.conf */
if (g_file_test ("/usr/sbin/nscd", G_FILE_TEST_IS_EXECUTABLE)) {
nm_log_info (LOGD_DNS, "Clearing nscd hosts cache.");
nm_spawn_process ("/usr/sbin/nscd -i hosts");
}
}
void nm_backend_update_dns (void)
{
/* Make glibc/nscd aware of any changes to the resolv.conf file by
* restarting nscd. Only restart if already running.
*/
if (g_file_test ("/usr/sbin/nscd", G_FILE_TEST_IS_EXECUTABLE)) {
nm_log_info (LOGD_DNS, "Clearing nscd hosts cache.");
nm_spawn_process ("/usr/sbin/nscd -i hosts");
}
}
static gboolean
update (NMDnsPlugin *plugin,
const NMDnsIPConfigData **configs,
const NMGlobalDnsConfig *global_config,
const char *hostname)
{
/* TODO: We currently call a script installed with the dnssec-trigger
* package that queries all information itself. Later, the dependency
* on that package will be optional and the only hard dependency will
* be unbound.
*
* Unbound configuration should be later handled by this plugin directly,
* without calling custom scripts. The dnssec-trigger functionality
* may be eventually merged into NetworkManager.
*/
return nm_spawn_process (DNSSEC_TRIGGER_SCRIPT " --async --update", NULL) == 0;
}
static gboolean
update (NMDnsPlugin *plugin,
const GSList *vpn_configs,
const GSList *dev_configs,
const GSList *other_configs,
const char *hostname)
{
/* TODO: We currently call a script installed with the dnssec-trigger
* package that queries all information itself. Later, the dependency
* on that package will be optional and the only hard dependency will
* be unbound.
*
* Unbound configuration should be later handled by this plugin directly,
* without calling custom scripts. The dnssec-trigger functionality
* may be eventually merged into NetworkManager.
*/
return nm_spawn_process ("/usr/libexec/dnssec-trigger-script --async --update") == 0;
}
static gboolean
dispatch_resolvconf (const char *domain,
char **searches,
char **nameservers,
const char *iface,
GError **error)
{
char *cmd;
FILE *f;
gboolean retval = FALSE;
if (! g_file_test (RESOLVCONF_PATH, G_FILE_TEST_IS_EXECUTABLE))
return FALSE;
if (domain || searches || nameservers) {
cmd = g_strconcat (RESOLVCONF_PATH, " -a ", "NetworkManager", NULL);
nm_log_info (LOGD_DNS, "(%s): writing resolv.conf to %s", iface, RESOLVCONF_PATH);
if ((f = popen (cmd, "w")) == NULL)
g_set_error (error,
NM_DNS_MANAGER_ERROR,
NM_DNS_MANAGER_ERROR_SYSTEM,
"Could not write to %s: %s\n",
RESOLVCONF_PATH,
g_strerror (errno));
else {
retval = write_resolv_conf (f, domain, searches, nameservers, error);
retval &= (pclose (f) == 0);
}
} else {
cmd = g_strconcat (RESOLVCONF_PATH, " -d ", "NetworkManager", NULL);
nm_log_info (LOGD_DNS, "(%s): removing resolv.conf from %s", iface, RESOLVCONF_PATH);
if (nm_spawn_process (cmd) == 0)
retval = TRUE;
}
g_free (cmd);
return retval;
}
static void openrc_start_lo_if_necessary()
{
/* No need to run net.lo if it is already running */
if (nm_spawn_process ("/etc/init.d/net.lo status") != 0)
nm_spawn_process ("/etc/init.d/net.lo start");
}
/*
* nm_system_update_dns
*
* Invalidate the nscd host cache, if it exists, since
* we changed resolv.conf.
*
*/
void nm_system_update_dns (void)
{
nm_info ("Clearing nscd hosts cache.");
nm_spawn_process ("/usr/sbin/nscd -i hosts");
}
