/**
* nm_arping_manager_start_probe:
* @self: a #NMArpingManager
* @timeout: maximum probe duration in milliseconds
* @error: location to store error, or %NULL
*
* Start probing IP addresses for duplicates; when the probe terminates a
* PROBE_TERMINATED signal is emitted.
*
* Returns: %TRUE on success, %FALSE on failure
*/
gboolean
nm_arping_manager_start_probe (NMArpingManager *self, guint timeout, GError **error)
{
const char *argv[] = { NULL, "-D", "-q", "-I", NULL, "-c", NULL, "-w", NULL, NULL, NULL };
NMArpingManagerPrivate *priv;
GHashTableIter iter;
AddressInfo *info;
gs_free char *timeout_str = NULL;
g_return_val_if_fail (NM_IS_ARPING_MANAGER (self), FALSE);
g_return_val_if_fail (!error || !*error, FALSE);
g_return_val_if_fail (timeout, FALSE);
priv = NM_ARPING_MANAGER_GET_PRIVATE (self);
g_return_val_if_fail (priv->state == STATE_INIT, FALSE);
argv[4] = nm_platform_link_get_name (NM_PLATFORM_GET, priv->ifindex);
g_return_val_if_fail (argv[4], FALSE);
priv->completed = 0;
argv[0] = nm_utils_find_helper ("arping", NULL, NULL);
if (!argv[0]) {
g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_FAILED,
"arping could not be found");
return FALSE;
}
timeout_str = g_strdup_printf ("%u", timeout / 1000 + 2);
argv[6] = timeout_str;
argv[8] = timeout_str;
g_hash_table_iter_init (&iter, priv->addresses);
while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &info)) {
gs_free char *tmp_str = NULL;
gboolean success;
argv[9] = nm_utils_inet4_ntop (info->address, NULL);
_LOGD ("run %s", (tmp_str = g_strjoinv (" ", (char **) argv)));
success = g_spawn_async (NULL, (char **) argv, NULL,
G_SPAWN_STDOUT_TO_DEV_NULL |
G_SPAWN_STDERR_TO_DEV_NULL |
G_SPAWN_DO_NOT_REAP_CHILD,
NULL, NULL, &info->pid, NULL);
info->watch = g_child_watch_add (info->pid, arping_watch_cb, info);
}
priv->timer = g_timeout_add (timeout, arping_timeout_cb, self);
priv->state = STATE_PROBING;
return TRUE;
}
static void
send_announcements (NMArpingManager *self, const char *mode_arg)
{
NMArpingManagerPrivate *priv = NM_ARPING_MANAGER_GET_PRIVATE (self);
const char *argv[] = { NULL, mode_arg, "-q", "-I", NULL, "-c", "1", NULL, NULL };
int ip_arg = G_N_ELEMENTS (argv) - 2;
GError *error = NULL;
GHashTableIter iter;
AddressInfo *info;
argv[4] = nm_platform_link_get_name (NM_PLATFORM_GET, priv->ifindex);
g_return_if_fail (argv[4]);
argv[0] = nm_utils_find_helper ("arping", NULL, NULL);
if (!argv[0]) {
_LOGW ("arping could not be found; no ARPs will be sent");
return;
}
g_hash_table_iter_init (&iter, priv->addresses);
while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &info)) {
gs_free char *tmp_str = NULL;
gboolean success;
if (info->duplicate)
continue;
argv[ip_arg] = nm_utils_inet4_ntop (info->address, NULL);
_LOGD ("run %s", (tmp_str = g_strjoinv (" ", (char **) argv)));
success = g_spawn_async (NULL, (char **) argv, NULL,
G_SPAWN_STDOUT_TO_DEV_NULL |
G_SPAWN_STDERR_TO_DEV_NULL,
NULL, NULL, NULL, &error);
if (!success) {
_LOGW ("could not send ARP for address %s: %s", argv[ip_arg],
error->message);
g_clear_error (&error);
}
}
}
static gboolean
run_helper (char **argv, guint which, gpointer user_data, GError **error)
{
const char *helper_path;
int exit_status = 0;
gboolean success;
char *errmsg = NULL, *outmsg = NULL;
char *cmdline;
helper_path = nm_utils_find_helper ((which == DCBTOOL) ? "dcbtool" : "fcoeadm", NULL, error);
if (!helper_path)
return FALSE;
argv[0] = (char *) helper_path;
cmdline = g_strjoinv (" ", argv);
nm_log_dbg (LOGD_DCB, "%s", cmdline);
success = g_spawn_sync ("/", argv, NULL, 0 /*G_SPAWN_DEFAULT*/,
NULL, NULL,
&outmsg, &errmsg, &exit_status, error);
/* Log any stderr output */
if (success && WIFEXITED (exit_status) && WEXITSTATUS (exit_status) && (errmsg || outmsg)) {
gboolean ignore_error = FALSE;
/* Ignore fcoeadm "success" errors like when FCoE is already set up */
if (errmsg && strstr (errmsg, "Connection already created"))
ignore_error = TRUE;
if (ignore_error == FALSE) {
nm_log_warn (LOGD_DCB, "'%s' failed: '%s'",
cmdline, (errmsg && strlen (errmsg)) ? errmsg : outmsg);
g_set_error (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_FAILED,
"Failed to run '%s'", cmdline);
success = FALSE;
}
}
g_free (outmsg);
g_free (errmsg);
g_free (cmdline);
return success;
}
static gboolean
teamd_kill (NMDeviceTeam *self, const char *teamd_binary, GError **error)
{
gs_unref_ptrarray GPtrArray *argv = NULL;
gs_free char *tmp_str = NULL;
if (!teamd_binary) {
teamd_binary = nm_utils_find_helper ("teamd", NULL, error);
if (!teamd_binary) {
_LOGW (LOGD_TEAM, "Activation: (team) failed to start teamd: teamd binary not found");
return FALSE;
}
}
argv = g_ptr_array_new ();
g_ptr_array_add (argv, (gpointer) teamd_binary);
g_ptr_array_add (argv, (gpointer) "-k");
g_ptr_array_add (argv, (gpointer) "-t");
g_ptr_array_add (argv, (gpointer) nm_device_get_iface (NM_DEVICE (self)));
g_ptr_array_add (argv, NULL);
_LOGD (LOGD_TEAM, "running: %s", (tmp_str = g_strjoinv (" ", (gchar **) argv->pdata)));
return g_spawn_sync ("/", (char **) argv->pdata, NULL, 0, NULL, NULL, NULL, NULL, NULL, error);
}
static NMCmdLine *
create_pppd_cmd_line (NMPPPManager *self,
NMSettingPpp *setting,
NMSettingPppoe *pppoe,
NMSettingAdsl *adsl,
const char *ppp_name,
GError **err)
{
NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE (self);
const char *pppd_binary = NULL;
NMCmdLine *cmd;
gboolean ppp_debug;
g_return_val_if_fail (setting != NULL, NULL);
pppd_binary = nm_utils_find_helper ("pppd", NULL, err);
if (!pppd_binary)
return NULL;
/* Create pppd command line */
cmd = nm_cmd_line_new ();
nm_cmd_line_add_string (cmd, pppd_binary);
nm_cmd_line_add_string (cmd, "nodetach");
nm_cmd_line_add_string (cmd, "lock");
/* NM handles setting the default route */
nm_cmd_line_add_string (cmd, "nodefaultroute");
/* Allow IPv6 to be configured by IPV6CP */
nm_cmd_line_add_string (cmd, "ipv6");
nm_cmd_line_add_string (cmd, ",");
ppp_debug = !!getenv ("NM_PPP_DEBUG");
if (nm_logging_enabled (LOGL_DEBUG, LOGD_PPP))
ppp_debug = TRUE;
if (ppp_debug)
nm_cmd_line_add_string (cmd, "debug");
if (ppp_name) {
nm_cmd_line_add_string (cmd, "user");
nm_cmd_line_add_string (cmd, ppp_name);
}
if (pppoe) {
char *dev_str;
const char *pppoe_service;
nm_cmd_line_add_string (cmd, "plugin");
nm_cmd_line_add_string (cmd, "rp-pppoe.so");
dev_str = g_strdup_printf ("nic-%s", priv->parent_iface);
nm_cmd_line_add_string (cmd, dev_str);
g_free (dev_str);
pppoe_service = nm_setting_pppoe_get_service (pppoe);
if (pppoe_service) {
nm_cmd_line_add_string (cmd, "rp_pppoe_service");
nm_cmd_line_add_string (cmd, pppoe_service);
}
} else if (adsl) {
const gchar *protocol = nm_setting_adsl_get_protocol (adsl);
if (!strcmp (protocol, NM_SETTING_ADSL_PROTOCOL_PPPOA)) {
guint32 vpi = nm_setting_adsl_get_vpi (adsl);
guint32 vci = nm_setting_adsl_get_vci (adsl);
const char *encaps = nm_setting_adsl_get_encapsulation (adsl);
gchar *vpivci;
nm_cmd_line_add_string (cmd, "plugin");
nm_cmd_line_add_string (cmd, "pppoatm.so");
vpivci = g_strdup_printf("%d.%d", vpi, vci);
nm_cmd_line_add_string (cmd, vpivci);
g_free (vpivci);
if (g_strcmp0 (encaps, NM_SETTING_ADSL_ENCAPSULATION_LLC) == 0)
nm_cmd_line_add_string (cmd, "llc-encaps");
else /*if (g_strcmp0 (encaps, NM_SETTING_ADSL_ENCAPSULATION_VCMUX) == 0)*/
nm_cmd_line_add_string (cmd, "vc-encaps");
} else if (!strcmp (protocol, NM_SETTING_ADSL_PROTOCOL_PPPOE)) {
nm_cmd_line_add_string (cmd, "plugin");
nm_cmd_line_add_string (cmd, "rp-pppoe.so");
nm_cmd_line_add_string (cmd, priv->parent_iface);
}
nm_cmd_line_add_string (cmd, "noipdefault");
} else {
nm_cmd_line_add_string (cmd, priv->parent_iface);
/* Don't send some random address as the local address */
nm_cmd_line_add_string (cmd, "noipdefault");
}
if (nm_setting_ppp_get_baud (setting))
nm_cmd_line_add_int (cmd, nm_setting_ppp_get_baud (setting));
/* noauth by default, because we certainly don't have any information
* with which to verify anything the peer gives us if we ask it to
* authenticate itself, which is what 'auth' really means.
*/
nm_cmd_line_add_string (cmd, "noauth");
if (nm_setting_ppp_get_refuse_eap (setting))
nm_cmd_line_add_string (cmd, "refuse-eap");
if (nm_setting_ppp_get_refuse_pap (setting))
nm_cmd_line_add_string (cmd, "refuse-pap");
if (nm_setting_ppp_get_refuse_chap (setting))
nm_cmd_line_add_string (cmd, "refuse-chap");
if (nm_setting_ppp_get_refuse_mschap (setting))
nm_cmd_line_add_string (cmd, "refuse-mschap");
if (nm_setting_ppp_get_refuse_mschapv2 (setting))
nm_cmd_line_add_string (cmd, "refuse-mschap-v2");
if (nm_setting_ppp_get_nobsdcomp (setting))
nm_cmd_line_add_string (cmd, "nobsdcomp");
if (nm_setting_ppp_get_no_vj_comp (setting))
nm_cmd_line_add_string (cmd, "novj");
if (nm_setting_ppp_get_nodeflate (setting))
nm_cmd_line_add_string (cmd, "nodeflate");
if (nm_setting_ppp_get_require_mppe (setting))
nm_cmd_line_add_string (cmd, "require-mppe");
if (nm_setting_ppp_get_require_mppe_128 (setting))
nm_cmd_line_add_string (cmd, "require-mppe-128");
if (nm_setting_ppp_get_mppe_stateful (setting))
nm_cmd_line_add_string (cmd, "mppe-stateful");
if (nm_setting_ppp_get_crtscts (setting))
nm_cmd_line_add_string (cmd, "crtscts");
/* Always ask for DNS, we don't have to use them if the connection
* overrides the returned servers.
*/
nm_cmd_line_add_string (cmd, "usepeerdns");
if (nm_setting_ppp_get_mru (setting)) {
nm_cmd_line_add_string (cmd, "mru");
nm_cmd_line_add_int (cmd, nm_setting_ppp_get_mru (setting));
}
if (nm_setting_ppp_get_mtu (setting)) {
nm_cmd_line_add_string (cmd, "mtu");
nm_cmd_line_add_int (cmd, nm_setting_ppp_get_mtu (setting));
}
nm_cmd_line_add_string (cmd, "lcp-echo-failure");
nm_cmd_line_add_int (cmd, nm_setting_ppp_get_lcp_echo_failure (setting));
nm_cmd_line_add_string (cmd, "lcp-echo-interval");
nm_cmd_line_add_int (cmd, nm_setting_ppp_get_lcp_echo_interval (setting));
/* Avoid pppd to exit if no traffic going through */
nm_cmd_line_add_string (cmd, "idle");
nm_cmd_line_add_int (cmd, 0);
nm_cmd_line_add_string (cmd, "ipparam");
nm_cmd_line_add_string (cmd, nm_exported_object_get_path (NM_EXPORTED_OBJECT (self)));
nm_cmd_line_add_string (cmd, "plugin");
nm_cmd_line_add_string (cmd, NM_PPPD_PLUGIN);
return cmd;
}
static gboolean
update (NMDnsPlugin *plugin,
const GSList *vpn_configs,
const GSList *dev_configs,
const GSList *other_configs,
const NMGlobalDnsConfig *global_config,
const char *hostname)
{
NMDnsDnsmasq *self = NM_DNS_DNSMASQ (plugin);
const char *dm_binary;
GString *conf;
GSList *iter;
const char *argv[15];
GError *error = NULL;
int ignored;
GPid pid = 0;
guint idx = 0;
/* Kill the old dnsmasq; there doesn't appear to be a way to get dnsmasq
* to reread the config file using SIGHUP or similar. This is a small race
* here when restarting dnsmasq when DNS requests could go to the upstream
* servers instead of to dnsmasq.
*/
nm_dns_plugin_child_kill (plugin);
dm_binary = nm_utils_find_helper ("dnsmasq", DNSMASQ_PATH, NULL);
if (!dm_binary) {
nm_log_warn (LOGD_DNS, "Could not find dnsmasq binary");
return FALSE;
}
/* Build up the new dnsmasq config file */
conf = g_string_sized_new (150);
if (global_config)
add_global_config (conf, global_config);
else {
/* Use split DNS for VPN configs */
for (iter = (GSList *) vpn_configs; iter; iter = g_slist_next (iter)) {
if (NM_IS_IP4_CONFIG (iter->data))
add_ip4_config (conf, NM_IP4_CONFIG (iter->data), TRUE);
else if (NM_IS_IP6_CONFIG (iter->data))
add_ip6_config (conf, NM_IP6_CONFIG (iter->data), TRUE);
}
/* Now add interface configs without split DNS */
for (iter = (GSList *) dev_configs; iter; iter = g_slist_next (iter)) {
if (NM_IS_IP4_CONFIG (iter->data))
add_ip4_config (conf, NM_IP4_CONFIG (iter->data), FALSE);
else if (NM_IS_IP6_CONFIG (iter->data))
add_ip6_config (conf, NM_IP6_CONFIG (iter->data), FALSE);
}
/* And any other random configs */
for (iter = (GSList *) other_configs; iter; iter = g_slist_next (iter)) {
if (NM_IS_IP4_CONFIG (iter->data))
add_ip4_config (conf, NM_IP4_CONFIG (iter->data), FALSE);
else if (NM_IS_IP6_CONFIG (iter->data))
add_ip6_config (conf, NM_IP6_CONFIG (iter->data), FALSE);
}
}
/* Write out the config file */
if (!g_file_set_contents (CONFFILE, conf->str, -1, &error)) {
nm_log_warn (LOGD_DNS, "Failed to write dnsmasq config file %s: (%d) %s",
CONFFILE,
error ? error->code : -1,
error && error->message ? error->message : "(unknown)");
g_clear_error (&error);
goto out;
}
ignored = chmod (CONFFILE, 0644);
nm_log_dbg (LOGD_DNS, "dnsmasq local caching DNS configuration:");
nm_log_dbg (LOGD_DNS, "%s", conf->str);
argv[idx++] = dm_binary;
argv[idx++] = "--no-resolv"; /* Use only commandline */
argv[idx++] = "--keep-in-foreground";
argv[idx++] = "--no-hosts"; /* don't use /etc/hosts to resolve */
argv[idx++] = "--bind-interfaces";
argv[idx++] = "--pid-file=" PIDFILE;
argv[idx++] = "--listen-address=127.0.0.1"; /* Should work for both 4 and 6 */
argv[idx++] = "--conf-file=" CONFFILE;
argv[idx++] = "--cache-size=400";
argv[idx++] = "--proxy-dnssec"; /* Allow DNSSEC to pass through */
/* dnsmasq exits if the conf dir is not present */
if (g_file_test (CONFDIR, G_FILE_TEST_IS_DIR))
argv[idx++] = "--conf-dir=" CONFDIR;
argv[idx++] = NULL;
g_warn_if_fail (idx <= G_N_ELEMENTS (argv));
/* And finally spawn dnsmasq */
pid = nm_dns_plugin_child_spawn (NM_DNS_PLUGIN (self), argv, PIDFILE, "bin/dnsmasq");
out:
g_string_free (conf, TRUE);
return pid ? TRUE : FALSE;
}
static NMCmdLine *
create_dm_cmd_line (const char *iface,
NMIP4Config *ip4_config,
const char *pidfile,
GError **error)
{
NMCmdLine *cmd;
GString *s;
const NMPlatformIP4Address *tmp;
char first[INET_ADDRSTRLEN];
char last[INET_ADDRSTRLEN];
char localaddr[INET_ADDRSTRLEN];
char *error_desc = NULL;
const char *dm_binary;
dm_binary = nm_utils_find_helper ("dnsmasq", DNSMASQ_PATH, error);
if (!dm_binary)
return NULL;
/* Create dnsmasq command line */
cmd = nm_cmd_line_new ();
nm_cmd_line_add_string (cmd, dm_binary);
if (getenv ("NM_DNSMASQ_DEBUG")) {
nm_cmd_line_add_string (cmd, "--log-dhcp");
nm_cmd_line_add_string (cmd, "--log-queries");
}
/* dnsmasq may read from it's default config file location, which if that
* location is a valid config file, it will combine with the options here
* and cause undesirable side-effects. Like sending bogus IP addresses
* as the gateway or whatever. So tell dnsmasq not to use any config file
* at all.
*/
nm_cmd_line_add_string (cmd, "--conf-file");
nm_cmd_line_add_string (cmd, "--no-hosts");
nm_cmd_line_add_string (cmd, "--keep-in-foreground");
nm_cmd_line_add_string (cmd, "--bind-interfaces");
nm_cmd_line_add_string (cmd, "--except-interface=lo");
nm_cmd_line_add_string (cmd, "--clear-on-reload");
/* Use strict order since in the case of VPN connections, the VPN's
* nameservers will be first in resolv.conf, and those need to be tried
* first by dnsmasq to successfully resolve names from the VPN.
*/
nm_cmd_line_add_string (cmd, "--strict-order");
/* Find the IP4 address to use */
tmp = nm_ip4_config_get_address (ip4_config, 0);
s = g_string_new ("--listen-address=");
nm_utils_inet4_ntop (tmp->address, localaddr);
g_string_append (s, localaddr);
nm_cmd_line_add_string (cmd, s->str);
g_string_free (s, TRUE);
if (!nm_dnsmasq_utils_get_range (tmp, first, last, &error_desc)) {
g_set_error_literal (error,
NM_MANAGER_ERROR,
NM_MANAGER_ERROR_FAILED,
error_desc);
nm_log_warn (LOGD_SHARING, "Failed to find DHCP address ranges: %s", error_desc);
g_free (error_desc);
nm_cmd_line_destroy (cmd);
return NULL;
}
s = g_string_new ("--dhcp-range=");
g_string_append_printf (s, "%s,%s,60m", first, last);
nm_cmd_line_add_string (cmd, s->str);
g_string_free (s, TRUE);
s = g_string_new ("--dhcp-option=option:router,");
g_string_append (s, localaddr);
nm_cmd_line_add_string (cmd, s->str);
g_string_free (s, TRUE);
nm_cmd_line_add_string (cmd, "--dhcp-lease-max=50");
s = g_string_new ("--pid-file=");
g_string_append (s, pidfile);
nm_cmd_line_add_string (cmd, s->str);
g_string_free (s, TRUE);
return cmd;
}
static gboolean
teamd_start (NMDevice *device, NMSettingTeam *s_team)
{
NMDeviceTeam *self = NM_DEVICE_TEAM (device);
NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (self);
const char *iface = nm_device_get_ip_iface (device);
gs_unref_ptrarray GPtrArray *argv = NULL;
gs_free_error GError *error = NULL;
gs_free char *tmp_str = NULL;
const char *teamd_binary;
const char *config;
teamd_binary = nm_utils_find_helper ("teamd", NULL, NULL);
if (!teamd_binary) {
_LOGW (LOGD_TEAM, "Activation: (team) failed to start teamd: teamd binary not found");
return FALSE;
}
if (priv->teamd_process_watch || priv->teamd_pid > 0 || priv->tdc) {
g_warn_if_reached ();
if (!priv->teamd_pid)
teamd_kill (self, teamd_binary, NULL);
teamd_cleanup (device, TRUE);
}
/* Start teamd now */
argv = g_ptr_array_new ();
g_ptr_array_add (argv, (gpointer) teamd_binary);
g_ptr_array_add (argv, (gpointer) "-o");
g_ptr_array_add (argv, (gpointer) "-n");
g_ptr_array_add (argv, (gpointer) "-U");
g_ptr_array_add (argv, (gpointer) "-D");
g_ptr_array_add (argv, (gpointer) "-N");
g_ptr_array_add (argv, (gpointer) "-t");
g_ptr_array_add (argv, (gpointer) iface);
config = nm_setting_team_get_config(s_team);
if (config) {
g_ptr_array_add (argv, (gpointer) "-c");
g_ptr_array_add (argv, (gpointer) config);
}
if (nm_logging_enabled (LOGL_DEBUG, LOGD_TEAM))
g_ptr_array_add (argv, (gpointer) "-gg");
g_ptr_array_add (argv, NULL);
_LOGD (LOGD_TEAM, "running: %s", (tmp_str = g_strjoinv (" ", (gchar **) argv->pdata)));
if (!g_spawn_async ("/", (char **) argv->pdata, NULL, G_SPAWN_DO_NOT_REAP_CHILD,
nm_utils_setpgid, NULL, &priv->teamd_pid, &error)) {
_LOGW (LOGD_TEAM, "Activation: (team) failed to start teamd: %s", error->message);
teamd_cleanup (device, TRUE);
return FALSE;
}
/* Start a timeout for teamd to appear at D-Bus */
if (!priv->teamd_timeout)
priv->teamd_timeout = g_timeout_add_seconds (5, teamd_timeout_cb, device);
/* Monitor the child process so we know when it dies */
priv->teamd_process_watch = g_child_watch_add (priv->teamd_pid,
teamd_process_watch_cb,
device);
_LOGI (LOGD_TEAM, "Activation: (team) started teamd [pid %u]...", (guint) priv->teamd_pid);
return TRUE;
}
static void
start_dnsmasq (NMDnsDnsmasq *self)
{
NMDnsDnsmasqPrivate *priv = NM_DNS_DNSMASQ_GET_PRIVATE (self);
const char *dm_binary;
const char *argv[15];
GPid pid = 0;
guint idx = 0;
NMBusManager *dbus_mgr;
GDBusConnection *connection;
if (priv->running) {
/* the dnsmasq process is running. Nothing to do. */
return;
}
if (nm_dns_plugin_child_pid ((NMDnsPlugin *) self) > 0) {
/* if we already have a child process spawned, don't do
* it again. */
return;
}
dm_binary = nm_utils_find_helper ("dnsmasq", DNSMASQ_PATH, NULL);
if (!dm_binary) {
_LOGW ("could not find dnsmasq binary");
return;
}
argv[idx++] = dm_binary;
argv[idx++] = "--no-resolv"; /* Use only commandline */
argv[idx++] = "--keep-in-foreground";
argv[idx++] = "--no-hosts"; /* don't use /etc/hosts to resolve */
argv[idx++] = "--bind-interfaces";
argv[idx++] = "--pid-file=" PIDFILE;
argv[idx++] = "--listen-address=127.0.0.1"; /* Should work for both 4 and 6 */
argv[idx++] = "--cache-size=400";
argv[idx++] = "--conf-file=/dev/null"; /* avoid loading /etc/dnsmasq.conf */
argv[idx++] = "--proxy-dnssec"; /* Allow DNSSEC to pass through */
argv[idx++] = "--enable-dbus=" DNSMASQ_DBUS_SERVICE;
/* dnsmasq exits if the conf dir is not present */
if (g_file_test (CONFDIR, G_FILE_TEST_IS_DIR))
argv[idx++] = "--conf-dir=" CONFDIR;
argv[idx++] = NULL;
nm_assert (idx <= G_N_ELEMENTS (argv));
/* And finally spawn dnsmasq */
pid = nm_dns_plugin_child_spawn (NM_DNS_PLUGIN (self), argv, PIDFILE, "bin/dnsmasq");
if (!pid)
return;
if ( priv->dnsmasq
|| priv->dnsmasq_cancellable) {
/* we already have a proxy or are about to create it.
* We are done. */
return;
}
dbus_mgr = nm_bus_manager_get ();
g_return_if_fail (dbus_mgr);
connection = nm_bus_manager_get_connection (dbus_mgr);
g_return_if_fail (connection);
priv->dnsmasq_cancellable = g_cancellable_new ();
g_dbus_proxy_new (connection,
G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
NULL,
DNSMASQ_DBUS_SERVICE,
DNSMASQ_DBUS_PATH,
DNSMASQ_DBUS_SERVICE,
priv->dnsmasq_cancellable,
dnsmasq_proxy_cb,
self);
}