diff options
Diffstat (limited to 'src/devices/nm-device.c')
| -rw-r--r-- | src/devices/nm-device.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/devices/nm-device.c b/src/devices/nm-device.c index 9d8932f18a..3390bf765e 100644 --- a/src/devices/nm-device.c +++ b/src/devices/nm-device.c @@ -6990,6 +6990,173 @@ nm_device_cleanup (NMDevice *self, NMDeviceStateReason reason) _cleanup_generic_post (self, TRUE); } +static char * +bin2hexstr (const char *bytes, gsize len) +{ + GString *str; + int i; + + g_return_val_if_fail (bytes != NULL, NULL); + g_return_val_if_fail (len > 0, NULL); + + str = g_string_sized_new (len * 2 + 1); + for (i = 0; i < len; i++) { + if (str->len) + g_string_append_c (str, ':'); + g_string_append_printf (str, "%02x", (guint8) bytes[i]); + } + return g_string_free (str, FALSE); +} + +static char * +find_dhcp4_address (NMDevice *self) +{ + NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self); + guint i, n; + + if (!priv->ip4_config) + return NULL; + + n = nm_ip4_config_get_num_addresses (priv->ip4_config); + for (i = 0; i < n; i++) { + const NMPlatformIP4Address *a = nm_ip4_config_get_address (priv->ip4_config, i); + + if (a->source == NM_IP_CONFIG_SOURCE_DHCP) + return g_strdup (nm_utils_inet4_ntop (a->address, NULL)); + } + return NULL; +} + +void +nm_device_spawn_iface_helper (NMDevice *self) +{ + NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self); + gboolean priority_set = FALSE, configured = FALSE; + NMConnection *connection; + GError *error = NULL; + const char *method; + GPtrArray *argv; + gs_free char *dhcp4_address = NULL; + + if (priv->state != NM_DEVICE_STATE_ACTIVATED) + return; + if (!nm_device_can_assume_connections (self)) + return; + + connection = nm_device_get_connection (self); + g_assert (connection); + + argv = g_ptr_array_sized_new (10); + g_ptr_array_set_free_func (argv, g_free); + + g_ptr_array_add (argv, g_strdup (LIBEXECDIR "/nm-iface-helper")); + g_ptr_array_add (argv, g_strdup ("--ifname")); + g_ptr_array_add (argv, g_strdup (nm_device_get_ip_iface (self))); + g_ptr_array_add (argv, g_strdup ("--uuid")); + g_ptr_array_add (argv, g_strdup (nm_connection_get_uuid (connection))); + + dhcp4_address = find_dhcp4_address (self); + + method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP4_CONFIG); + if ( priv->ip4_config + && priv->ip4_state == IP_DONE + && g_strcmp0 (method, NM_SETTING_IP4_CONFIG_METHOD_AUTO) == 0 + && priv->dhcp4_client + && dhcp4_address) { + NMSettingIPConfig *s_ip4; + GBytes *client_id; + char *hex_client_id; + const char *hostname; + + s_ip4 = nm_connection_get_setting_ip4_config (connection); + g_assert (s_ip4); + + g_ptr_array_add (argv, g_strdup ("--priority")); + g_ptr_array_add (argv, g_strdup_printf ("%u", nm_dhcp_client_get_priority (priv->dhcp4_client))); + priority_set = TRUE; + + g_ptr_array_add (argv, g_strdup ("--dhcp4")); + g_ptr_array_add (argv, g_strdup (dhcp4_address)); + if (nm_setting_ip_config_get_may_fail (s_ip4) == FALSE) + g_ptr_array_add (argv, g_strdup ("--dhcp4-required")); + + client_id = nm_dhcp_client_get_client_id (priv->dhcp4_client); + if (client_id) { + g_ptr_array_add (argv, g_strdup ("--dhcp4-clientid")); + hex_client_id = bin2hexstr (g_bytes_get_data (client_id, NULL), + g_bytes_get_size (client_id)); + g_ptr_array_add (argv, hex_client_id); + } + + hostname = nm_dhcp_client_get_hostname (priv->dhcp4_client); + if (client_id) { + g_ptr_array_add (argv, g_strdup ("--dhcp4-hostname")); + g_ptr_array_add (argv, g_strdup (hostname)); + } + + configured = TRUE; + } + + method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP6_CONFIG); + if ( priv->ip6_config + && priv->ip6_state == IP_DONE + && g_strcmp0 (method, NM_SETTING_IP6_CONFIG_METHOD_AUTO) == 0 + && priv->rdisc + && priv->ac_ip6_config) { + NMSettingIPConfig *s_ip6; + char *hex_iid; + NMUtilsIPv6IfaceId iid = NM_UTILS_IPV6_IFACE_ID_INIT; + + s_ip6 = nm_connection_get_setting_ip6_config (connection); + g_assert (s_ip6); + + g_ptr_array_add (argv, g_strdup ("--slaac")); + + if (nm_setting_ip_config_get_may_fail (s_ip6) == FALSE) + g_ptr_array_add (argv, g_strdup ("--slaac-required")); + + g_ptr_array_add (argv, g_strdup ("--slaac-tempaddr")); + g_ptr_array_add (argv, g_strdup_printf ("%d", priv->rdisc_use_tempaddr)); + + if (nm_device_get_ip_iface_identifier (self, &iid)) { + g_ptr_array_add (argv, g_strdup ("--iid")); + hex_iid = bin2hexstr ((const char *) iid.id_u8, sizeof (NMUtilsIPv6IfaceId)); + g_ptr_array_add (argv, hex_iid); + } + + configured = TRUE; + } + + if (configured) { + GPid pid; + + if (!priority_set) { + g_ptr_array_add (argv, g_strdup ("--priority")); + g_ptr_array_add (argv, g_strdup_printf ("%u", nm_device_get_priority (self))); + } + + g_ptr_array_add (argv, NULL); + + if (nm_logging_enabled (LOGL_DEBUG, LOGD_DEVICE)) { + char *tmp; + + tmp = g_strjoinv (" ", (char **) argv->pdata); + _LOGD (LOGD_DEVICE, "running '%s'", tmp); + g_free (tmp); + } + + if (g_spawn_async (NULL, (char **) argv->pdata, NULL, + G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL, &pid, &error)) { + _LOGI (LOGD_DEVICE, "spawned helper PID %u", (guint) pid); + } else { + _LOGW (LOGD_DEVICE, "failed to spawn helper: %s", error->message); + g_error_free (error); + } + } + + g_ptr_array_unref (argv); +} + /***********************************************************/ static gboolean |