static gboolean
set_ip_config_common (NMPPPManager *self,
GVariant *config_dict,
const char *iface_prop,
guint32 *out_mtu)
{
NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE (self);
NMConnection *applied_connection;
NMSettingPpp *s_ppp;
const char *iface;
if (!g_variant_lookup (config_dict, iface_prop, "&s", &iface)) {
_LOGE ("no interface received!");
return FALSE;
}
if (priv->ip_iface == NULL)
priv->ip_iface = g_strdup (iface);
/* Got successful IP config; obviously the secrets worked */
applied_connection = nm_act_request_get_applied_connection (priv->act_req);
g_object_set_data (G_OBJECT (applied_connection), PPP_MANAGER_SECRET_TRIES, NULL);
if (out_mtu) {
/* Get any custom MTU */
s_ppp = nm_connection_get_setting_ppp (applied_connection);
*out_mtu = s_ppp ? nm_setting_ppp_get_mtu (s_ppp) : 0;
}
monitor_stats (self);
return TRUE;
}
static NMActStageReturn
act_stage3_ip4_config_start (NMDevice *device,
NMIP4Config **out_config,
NMDeviceStateReason *reason)
{
NMDeviceAdsl *self = NM_DEVICE_ADSL (device);
NMDeviceAdslPrivate *priv = NM_DEVICE_ADSL_GET_PRIVATE (self);
NMConnection *connection;
NMSettingAdsl *s_adsl;
NMActRequest *req;
GError *err = NULL;
NMActStageReturn ret = NM_ACT_STAGE_RETURN_FAILURE;
const char *ppp_iface;
req = nm_device_get_act_request (device);
g_assert (req);
connection = nm_act_request_get_applied_connection (req);
g_assert (req);
s_adsl = nm_connection_get_setting_adsl (connection);
g_assert (s_adsl);
/* PPPoE uses the NAS interface, not the ATM interface */
if (g_strcmp0 (nm_setting_adsl_get_protocol (s_adsl), NM_SETTING_ADSL_PROTOCOL_PPPOE) == 0) {
g_assert (priv->nas_ifname);
ppp_iface = priv->nas_ifname;
_LOGD (LOGD_ADSL, "starting PPPoE on NAS interface %s", priv->nas_ifname);
} else {
ppp_iface = nm_device_get_iface (device);
_LOGD (LOGD_ADSL, "starting PPPoA");
}
priv->ppp_manager = nm_ppp_manager_new (ppp_iface);
if (nm_ppp_manager_start (priv->ppp_manager, req, nm_setting_adsl_get_username (s_adsl), 30, &err)) {
g_signal_connect (priv->ppp_manager, "state-changed",
G_CALLBACK (ppp_state_changed),
self);
g_signal_connect (priv->ppp_manager, "ip4-config",
G_CALLBACK (ppp_ip4_config),
self);
ret = NM_ACT_STAGE_RETURN_POSTPONE;
} else {
_LOGW (LOGD_ADSL, "PPP failed to start: %s", err->message);
g_error_free (err);
g_object_unref (priv->ppp_manager);
priv->ppp_manager = NULL;
*reason = NM_DEVICE_STATE_REASON_PPP_START_FAILED;
}
return ret;
}
NMActStageReturn
nm_modem_stage3_ip4_config_start (NMModem *self,
NMDevice *device,
NMDeviceClass *device_class,
NMDeviceStateReason *reason)
{
NMModemPrivate *priv;
NMActRequest *req;
NMConnection *connection;
const char *method;
NMActStageReturn ret;
g_return_val_if_fail (NM_IS_MODEM (self), NM_ACT_STAGE_RETURN_FAILURE);
g_return_val_if_fail (NM_IS_DEVICE (device), NM_ACT_STAGE_RETURN_FAILURE);
g_return_val_if_fail (NM_IS_DEVICE_CLASS (device_class), NM_ACT_STAGE_RETURN_FAILURE);
g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
req = nm_device_get_act_request (device);
g_assert (req);
connection = nm_act_request_get_applied_connection (req);
g_assert (connection);
method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP4_CONFIG);
/* Only Disabled and Auto methods make sense for WWAN */
if (strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_DISABLED) == 0)
return NM_ACT_STAGE_RETURN_STOP;
if (strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_AUTO) != 0) {
nm_log_warn (LOGD_MB | LOGD_IP4,
"(%s): unhandled WWAN IPv4 method '%s'; will fail",
nm_modem_get_uid (self), method);
*reason = NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE;
return NM_ACT_STAGE_RETURN_FAILURE;
}
priv = NM_MODEM_GET_PRIVATE (self);
switch (priv->ip4_method) {
case NM_MODEM_IP_METHOD_PPP:
ret = ppp_stage3_ip_config_start (self, req, reason);
break;
case NM_MODEM_IP_METHOD_STATIC:
ret = NM_MODEM_GET_CLASS (self)->static_stage3_ip4_config_start (self, req, reason);
break;
case NM_MODEM_IP_METHOD_AUTO:
ret = device_class->act_stage3_ip4_config_start (device, NULL, reason);
break;
default:
nm_log_info (LOGD_MB, "(%s): IPv4 configuration disabled", nm_modem_get_uid (self));
ret = NM_ACT_STAGE_RETURN_STOP;
break;
}
return ret;
}
NMActStageReturn
nm_modem_stage3_ip6_config_start (NMModem *self,
NMActRequest *req,
NMDeviceStateReason *reason)
{
NMModemPrivate *priv;
NMActStageReturn ret;
NMConnection *connection;
const char *method;
g_return_val_if_fail (self != NULL, NM_ACT_STAGE_RETURN_FAILURE);
g_return_val_if_fail (NM_IS_MODEM (self), NM_ACT_STAGE_RETURN_FAILURE);
g_return_val_if_fail (req != NULL, NM_ACT_STAGE_RETURN_FAILURE);
g_return_val_if_fail (NM_IS_ACT_REQUEST (req), NM_ACT_STAGE_RETURN_FAILURE);
g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
connection = nm_act_request_get_applied_connection (req);
g_assert (connection);
method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP6_CONFIG);
/* Only Ignore and Auto methods make sense for WWAN */
if (strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_IGNORE) == 0)
return NM_ACT_STAGE_RETURN_STOP;
if (strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_AUTO) != 0) {
nm_log_warn (LOGD_MB | LOGD_IP6,
"(%s): unhandled WWAN IPv6 method '%s'; will fail",
nm_modem_get_uid (self), method);
*reason = NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE;
return NM_ACT_STAGE_RETURN_FAILURE;
}
priv = NM_MODEM_GET_PRIVATE (self);
switch (priv->ip6_method) {
case NM_MODEM_IP_METHOD_PPP:
ret = ppp_stage3_ip_config_start (self, req, reason);
break;
case NM_MODEM_IP_METHOD_STATIC:
case NM_MODEM_IP_METHOD_AUTO:
/* Both static and DHCP/Auto retrieve a base IP config from the modem
* which in the static case is the full config, and the DHCP/Auto case
* is just the IPv6LL address to use for SLAAC.
*/
ret = NM_MODEM_GET_CLASS (self)->stage3_ip6_config_request (self, reason);
break;
default:
nm_log_info (LOGD_MB, "(%s): IPv6 configuration disabled", nm_modem_get_uid (self));
ret = NM_ACT_STAGE_RETURN_STOP;
break;
}
return ret;
}
static void
impl_ppp_manager_need_secrets (NMPPPManager *manager,
GDBusMethodInvocation *context)
{
NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE (manager);
NMConnection *applied_connection;
const char *username = NULL;
const char *password = NULL;
guint32 tries;
GPtrArray *hints = NULL;
GError *error = NULL;
NMSecretAgentGetSecretsFlags flags = NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION;
nm_active_connection_clear_secrets (NM_ACTIVE_CONNECTION (priv->act_req));
applied_connection = nm_act_request_get_applied_connection (priv->act_req);
priv->secrets_setting_name = nm_connection_need_secrets (applied_connection, &hints);
if (!priv->secrets_setting_name) {
/* Use existing secrets from the connection */
if (extract_details_from_connection (applied_connection, NULL, &username, &password, &error)) {
/* Send existing secrets to the PPP plugin */
priv->pending_secrets_context = context;
ppp_secrets_cb (priv->act_req, priv->secrets_id, NULL, NULL, manager);
} else {
_LOGW ("%s", error->message);
g_dbus_method_invocation_take_error (priv->pending_secrets_context, error);
}
return;
}
/* Only ask for completely new secrets after retrying them once; some devices
* appear to ask a few times when they actually don't even care what you
* pass back.
*/
tries = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (applied_connection), PPP_MANAGER_SECRET_TRIES));
if (tries > 1)
flags |= NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW;
priv->secrets_id = nm_act_request_get_secrets (priv->act_req,
priv->secrets_setting_name,
flags,
hints ? g_ptr_array_index (hints, 0) : NULL,
ppp_secrets_cb,
manager);
g_object_set_data (G_OBJECT (applied_connection), PPP_MANAGER_SECRET_TRIES, GUINT_TO_POINTER (++tries));
priv->pending_secrets_context = context;
if (hints)
g_ptr_array_free (hints, TRUE);
}
static NMActStageReturn
act_stage1_prepare (NMDevice *dev, NMDeviceStateReason *reason)
{
NMActRequest *req;
NMConnection *connection;
NMSettingVlan *s_vlan;
NMSettingWired *s_wired;
const char *cloned_mac;
NMActStageReturn ret;
g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
ret = NM_DEVICE_CLASS (nm_device_vlan_parent_class)->act_stage1_prepare (dev, reason);
if (ret != NM_ACT_STAGE_RETURN_SUCCESS)
return ret;
req = nm_device_get_act_request (dev);
g_return_val_if_fail (req != NULL, NM_ACT_STAGE_RETURN_FAILURE);
connection = nm_act_request_get_applied_connection (req);
g_return_val_if_fail (connection != NULL, NM_ACT_STAGE_RETURN_FAILURE);
s_wired = nm_connection_get_setting_wired (connection);
if (s_wired) {
/* Set device MAC address if the connection wants to change it */
cloned_mac = nm_setting_wired_get_cloned_mac_address (s_wired);
if (cloned_mac)
nm_device_set_hw_addr (dev, cloned_mac, "set", LOGD_VLAN);
}
s_vlan = nm_connection_get_setting_vlan (connection);
if (s_vlan) {
int ifindex = nm_device_get_ifindex (dev);
int num, i;
guint32 from, to;
num = nm_setting_vlan_get_num_priorities (s_vlan, NM_VLAN_INGRESS_MAP);
for (i = 0; i < num; i++) {
if (nm_setting_vlan_get_priority (s_vlan, NM_VLAN_INGRESS_MAP, i, &from, &to))
nm_platform_vlan_set_ingress_map (NM_PLATFORM_GET, ifindex, from, to);
}
num = nm_setting_vlan_get_num_priorities (s_vlan, NM_VLAN_EGRESS_MAP);
for (i = 0; i < num; i++) {
if (nm_setting_vlan_get_priority (s_vlan, NM_VLAN_EGRESS_MAP, i, &from, &to))
nm_platform_vlan_set_egress_map (NM_PLATFORM_GET, ifindex, from, to);
}
}
return ret;
}
static void
ppp_secrets_cb (NMActRequest *req,
NMActRequestGetSecretsCallId call_id,
NMSettingsConnection *settings_connection, /* unused (we pass NULL here) */
GError *error,
gpointer user_data)
{
NMPPPManager *self = NM_PPP_MANAGER (user_data);
NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE (self);
const char *username = NULL;
const char *password = NULL;
GError *local = NULL;
NMConnection *applied_connection;
g_return_if_fail (priv->pending_secrets_context != NULL);
g_return_if_fail (req == priv->act_req);
g_return_if_fail (call_id == priv->secrets_id);
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
goto out;
if (error) {
_LOGW ("%s", error->message);
g_dbus_method_invocation_return_gerror (priv->pending_secrets_context, error);
goto out;
}
applied_connection = nm_act_request_get_applied_connection (req);
if (!extract_details_from_connection (applied_connection, priv->secrets_setting_name, &username, &password, &local)) {
_LOGW ("%s", local->message);
g_dbus_method_invocation_take_error (priv->pending_secrets_context, local);
goto out;
}
/* This is sort of a hack but...
* pppd plugin only ever needs username and password. Passing the full
* connection there would mean some bloat: the plugin would need to link
* against libnm just to parse this. So instead, let's just send what
* it needs.
*/
g_dbus_method_invocation_return_value (
priv->pending_secrets_context,
g_variant_new ("(ss)", username ? username : "", password ? password : ""));
out:
priv->pending_secrets_context = NULL;
priv->secrets_id = NULL;
priv->secrets_setting_name = NULL;
}
/**
* nm_act_request_get_secrets:
* @self:
* @setting_name:
* @flags:
* @hint:
* @callback:
* @callback_data:
*
* Asnychronously starts the request for secrets. This function cannot
* fail.
*
* The return call-id can be used to cancel the request. You are
* only allowed to cancel a still pending operation (once).
* The callback will always be invoked once, even for canceling
* or disposing of NMActRequest.
*
* Returns: a call-id.
*/
NMActRequestGetSecretsCallId
nm_act_request_get_secrets (NMActRequest *self,
const char *setting_name,
NMSecretAgentGetSecretsFlags flags,
const char *hint,
NMActRequestSecretsFunc callback,
gpointer callback_data)
{
NMActRequestPrivate *priv;
GetSecretsInfo *info;
NMSettingsConnectionCallId call_id_s;
NMSettingsConnection *settings_connection;
NMConnection *applied_connection;
const char *hints[2] = { hint, NULL };
g_return_val_if_fail (NM_IS_ACT_REQUEST (self), 0);
priv = NM_ACT_REQUEST_GET_PRIVATE (self);
settings_connection = nm_act_request_get_settings_connection (self);
applied_connection = nm_act_request_get_applied_connection (self);
info = _get_secrets_info_new (self, callback, callback_data);
priv->secrets_calls = g_slist_append (priv->secrets_calls, info);
if (nm_active_connection_get_user_requested (NM_ACTIVE_CONNECTION (self)))
flags |= NM_SECRET_AGENT_GET_SECRETS_FLAG_USER_REQUESTED;
call_id_s = nm_settings_connection_get_secrets (settings_connection,
applied_connection,
nm_active_connection_get_subject (NM_ACTIVE_CONNECTION (self)),
setting_name,
flags,
hints,
get_secrets_cb,
info);
info->call_id = call_id_s;
g_return_val_if_fail (call_id_s, NULL);
return info;
}
NMActStageReturn
nm_modem_act_stage1_prepare (NMModem *self,
NMActRequest *req,
NMDeviceStateReason *reason)
{
NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);
gs_unref_ptrarray GPtrArray *hints = NULL;
const char *setting_name = NULL;
NMSecretAgentGetSecretsFlags flags = NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION;
NMConnection *connection;
if (priv->act_request)
g_object_unref (priv->act_request);
priv->act_request = g_object_ref (req);
connection = nm_act_request_get_applied_connection (req);
g_assert (connection);
setting_name = nm_connection_need_secrets (connection, &hints);
if (!setting_name) {
/* Ready to connect */
g_assert (!hints);
return NM_MODEM_GET_CLASS (self)->act_stage1_prepare (self, connection, reason);
}
/* Secrets required... */
if (priv->secrets_tries++)
flags |= NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW;
priv->secrets_id = nm_act_request_get_secrets (req,
setting_name,
flags,
hints ? g_ptr_array_index (hints, 0) : NULL,
modem_secrets_cb,
self);
g_return_val_if_fail (priv->secrets_id, NM_ACT_STAGE_RETURN_FAILURE);
g_signal_emit (self, signals[AUTH_REQUESTED], 0);
return NM_ACT_STAGE_RETURN_POSTPONE;
}
static NMActStageReturn
act_stage1_prepare (NMDevice *device, NMDeviceStateReason *reason)
{
NMDeviceTun *self = NM_DEVICE_TUN (device);
NMDeviceTunPrivate *priv = NM_DEVICE_TUN_GET_PRIVATE (self);
NMActRequest *req;
NMConnection *connection;
NMSettingWired *s_wired;
const char *cloned_mac;
NMActStageReturn ret;
g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
ret = NM_DEVICE_CLASS (nm_device_tun_parent_class)->act_stage1_prepare (device, reason);
if (ret != NM_ACT_STAGE_RETURN_SUCCESS)
return ret;
/* Nothing to do for TUN devices */
if (g_strcmp0 (priv->mode, "tap"))
return NM_ACT_STAGE_RETURN_SUCCESS;
req = nm_device_get_act_request (device);
g_return_val_if_fail (req != NULL, NM_ACT_STAGE_RETURN_FAILURE);
connection = nm_act_request_get_applied_connection (req);
g_return_val_if_fail (connection != NULL, NM_ACT_STAGE_RETURN_FAILURE);
s_wired = nm_connection_get_setting_wired (connection);
if (s_wired) {
/* Set device MAC address if the connection wants to change it */
cloned_mac = nm_setting_wired_get_cloned_mac_address (s_wired);
if (cloned_mac)
nm_device_set_hw_addr (device, cloned_mac, "set", LOGD_DEVICE);
}
return NM_ACT_STAGE_RETURN_SUCCESS;
}
static NMActStageReturn
ppp_stage3_ip_config_start (NMModem *self,
NMActRequest *req,
NMDeviceStateReason *reason)
{
NMModemPrivate *priv = NM_MODEM_GET_PRIVATE (self);
const char *ppp_name = NULL;
GError *error = NULL;
NMActStageReturn ret;
guint ip_timeout = 30;
g_return_val_if_fail (NM_IS_MODEM (self), NM_ACT_STAGE_RETURN_FAILURE);
g_return_val_if_fail (NM_IS_ACT_REQUEST (req), NM_ACT_STAGE_RETURN_FAILURE);
g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
/* If we're already running PPP don't restart it; for example, if both
* IPv4 and IPv6 are requested, IPv4 gets started first, but we use the
* same pppd for both v4 and v6.
*/
if (priv->ppp_manager)
return NM_ACT_STAGE_RETURN_POSTPONE;
if (NM_MODEM_GET_CLASS (self)->get_user_pass) {
NMConnection *connection = nm_act_request_get_applied_connection (req);
g_assert (connection);
if (!NM_MODEM_GET_CLASS (self)->get_user_pass (self, connection, &ppp_name, NULL))
return NM_ACT_STAGE_RETURN_FAILURE;
}
/* Check if ModemManager requested a specific IP timeout to be used. If 0 reported,
* use the default one (30s) */
if (priv->mm_ip_timeout > 0) {
nm_log_info (LOGD_PPP, "(%s): using modem-specified IP timeout: %u seconds",
nm_modem_get_uid (self),
priv->mm_ip_timeout);
ip_timeout = priv->mm_ip_timeout;
}
priv->ppp_manager = nm_ppp_manager_new (priv->data_port);
if (nm_ppp_manager_start (priv->ppp_manager, req, ppp_name, ip_timeout, &error)) {
g_signal_connect (priv->ppp_manager, NM_PPP_MANAGER_STATE_CHANGED,
G_CALLBACK (ppp_state_changed),
self);
g_signal_connect (priv->ppp_manager, "ip4-config",
G_CALLBACK (ppp_ip4_config),
self);
g_signal_connect (priv->ppp_manager, "ip6-config",
G_CALLBACK (ppp_ip6_config),
self);
g_signal_connect (priv->ppp_manager, "stats",
G_CALLBACK (ppp_stats),
self);
ret = NM_ACT_STAGE_RETURN_POSTPONE;
} else {
nm_log_err (LOGD_PPP, "(%s): error starting PPP: %s",
nm_modem_get_uid (self),
error->message);
g_error_free (error);
nm_exported_object_clear_and_unexport (&priv->ppp_manager);
*reason = NM_DEVICE_STATE_REASON_PPP_START_FAILED;
ret = NM_ACT_STAGE_RETURN_FAILURE;
}
return ret;
}
gboolean
nm_ppp_manager_start (NMPPPManager *manager,
NMActRequest *req,
const char *ppp_name,
guint32 timeout_secs,
GError **err)
{
NMPPPManagerPrivate *priv;
NMConnection *connection;
NMSettingPpp *s_ppp;
gboolean s_ppp_created = FALSE;
NMSettingPppoe *pppoe_setting;
NMSettingAdsl *adsl_setting;
NMCmdLine *ppp_cmd;
char *cmd_str;
struct stat st;
g_return_val_if_fail (NM_IS_PPP_MANAGER (manager), FALSE);
g_return_val_if_fail (NM_IS_ACT_REQUEST (req), FALSE);
priv = NM_PPP_MANAGER_GET_PRIVATE (manager);
#if !WITH_PPP
/* PPP support disabled */
g_set_error_literal (err,
NM_MANAGER_ERROR,
NM_MANAGER_ERROR_FAILED,
"PPP support is not enabled.");
return FALSE;
#endif
priv->pid = 0;
/* Make sure /dev/ppp exists (bgo #533064) */
if (stat ("/dev/ppp", &st) || !S_ISCHR (st.st_mode))
nm_utils_modprobe (NULL, FALSE, "ppp_generic", NULL);
connection = nm_act_request_get_applied_connection (req);
g_assert (connection);
s_ppp = nm_connection_get_setting_ppp (connection);
if (!s_ppp) {
/* If the PPP settings are all default we may not have a PPP setting yet,
* so just make a default one here.
*/
s_ppp = NM_SETTING_PPP (nm_setting_ppp_new ());
s_ppp_created = TRUE;
}
pppoe_setting = nm_connection_get_setting_pppoe (connection);
if (pppoe_setting)
pppoe_fill_defaults (s_ppp);
adsl_setting = (NMSettingAdsl *) nm_connection_get_setting (connection, NM_TYPE_SETTING_ADSL);
ppp_cmd = create_pppd_cmd_line (manager, s_ppp, pppoe_setting, adsl_setting, ppp_name, err);
if (!ppp_cmd)
goto out;
g_ptr_array_add (ppp_cmd->array, NULL);
_LOGI ("starting PPP connection");
cmd_str = nm_cmd_line_to_str (ppp_cmd);
_LOGD ("command line: %s", cmd_str);
g_free (cmd_str);
priv->pid = 0;
if (!g_spawn_async (NULL, (char **) ppp_cmd->array->pdata, NULL,
G_SPAWN_DO_NOT_REAP_CHILD,
nm_utils_setpgid, NULL,
&priv->pid, err)) {
goto out;
}
_LOGI ("pppd started with pid %d", priv->pid);
priv->ppp_watch_id = g_child_watch_add (priv->pid, (GChildWatchFunc) ppp_watch_cb, manager);
priv->ppp_timeout_handler = g_timeout_add_seconds (timeout_secs, pppd_timed_out, manager);
priv->act_req = g_object_ref (req);
out:
if (s_ppp_created)
g_object_unref (s_ppp);
if (ppp_cmd)
nm_cmd_line_destroy (ppp_cmd);
return priv->pid > 0;
}
