New upstream version 1.29.90 upstream/1.29.90

1 files changed, 257 insertions, 0 deletions

diff --git a/src/core/devices/nm-device-wpan.c b/src/core/devices/nm-device-wpan.c
new file mode 100644
index 00000000..2f3b16ff
--- /dev/null
+++ b/src/core/devices/nm-device-wpan.c
@@ -0,0 +1,257 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2018 Lubomir Rintel <lkundrak@v3.sk>
+ */
+
+#include "src/core/nm-default-daemon.h"
+
+#include "nm-manager.h"
+#include "nm-device-wpan.h"
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <linux/if.h>
+
+#include "nm-act-request.h"
+#include "nm-device-private.h"
+#include "nm-ip4-config.h"
+#include "platform/nm-platform.h"
+#include "nm-device-factory.h"
+#include "nm-setting-wpan.h"
+#include "nm-core-internal.h"
+
+#define _NMLOG_DEVICE_TYPE NMDeviceWpan
+#include "nm-device-logging.h"
+
+/*****************************************************************************/
+
+struct _NMDeviceWpan {
+    NMDevice parent;
+};
+
+struct _NMDeviceWpanClass {
+    NMDeviceClass parent;
+};
+
+G_DEFINE_TYPE(NMDeviceWpan, nm_device_wpan, NM_TYPE_DEVICE)
+
+/*****************************************************************************/
+
+static gboolean
+complete_connection(NMDevice *           device,
+                    NMConnection *       connection,
+                    const char *         specific_object,
+                    NMConnection *const *existing_connections,
+                    GError **            error)
+{
+    NMSettingWpan *s_wpan;
+
+    nm_utils_complete_generic(nm_device_get_platform(device),
+                              connection,
+                              NM_SETTING_WPAN_SETTING_NAME,
+                              existing_connections,
+                              NULL,
+                              _("WPAN connection"),
+                              NULL,
+                              NULL,
+                              TRUE);
+
+    s_wpan = NM_SETTING_WPAN(nm_connection_get_setting(connection, NM_TYPE_SETTING_WPAN));
+    if (!s_wpan) {
+        g_set_error_literal(error,
+                            NM_DEVICE_ERROR,
+                            NM_DEVICE_ERROR_INVALID_CONNECTION,
+                            "A 'wpan' setting is required.");
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+static void
+update_connection(NMDevice *device, NMConnection *connection)
+{
+    NMSettingWpan *s_wpan =
+        NM_SETTING_WPAN(nm_connection_get_setting(connection, NM_TYPE_SETTING_WPAN));
+
+    if (!s_wpan) {
+        s_wpan = (NMSettingWpan *) nm_setting_wpan_new();
+        nm_connection_add_setting(connection, (NMSetting *) s_wpan);
+    }
+}
+
+static gboolean
+check_connection_compatible(NMDevice *device, NMConnection *connection, GError **error)
+{
+    NMSettingWpan *s_wpan;
+    const char *   mac, *hw_addr;
+
+    if (!NM_DEVICE_CLASS(nm_device_wpan_parent_class)
+             ->check_connection_compatible(device, connection, error))
+        return FALSE;
+
+    s_wpan = NM_SETTING_WPAN(nm_connection_get_setting(connection, NM_TYPE_SETTING_WPAN));
+
+    mac = nm_setting_wpan_get_mac_address(s_wpan);
+    if (mac) {
+        hw_addr = nm_device_get_hw_address(device);
+        if (!nm_utils_hwaddr_matches(mac, -1, hw_addr, -1)) {
+            nm_utils_error_set_literal(error,
+                                       NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY,
+                                       "MAC address mismatches");
+            return FALSE;
+        }
+    }
+
+    return TRUE;
+}
+
+static NMActStageReturn
+act_stage1_prepare(NMDevice *device, NMDeviceStateReason *out_failure_reason)
+{
+    NMDeviceWpan *        self = NM_DEVICE_WPAN(device);
+    NMSettingWpan *       s_wpan;
+    NMPlatform *          platform;
+    guint16               pan_id;
+    guint16               short_address;
+    gint16                page, channel;
+    int                   ifindex;
+    const guint8 *        hwaddr;
+    gsize                 hwaddr_len = 0;
+    const NMPlatformLink *lowpan_plink;
+    NMDevice *            lowpan_device = NULL;
+    NMActStageReturn      ret           = NM_ACT_STAGE_RETURN_FAILURE;
+
+    platform = nm_device_get_platform(device);
+    nm_assert(NM_IS_PLATFORM(platform));
+
+    ifindex = nm_device_get_ifindex(device);
+
+    g_return_val_if_fail(ifindex > 0, NM_ACT_STAGE_RETURN_FAILURE);
+
+    s_wpan = nm_device_get_applied_setting(device, NM_TYPE_SETTING_WPAN);
+
+    g_return_val_if_fail(s_wpan, NM_ACT_STAGE_RETURN_FAILURE);
+
+    hwaddr = nm_platform_link_get_address(platform, ifindex, &hwaddr_len);
+
+    if (!hwaddr) {
+        *out_failure_reason = NM_DEVICE_STATE_REASON_CONFIG_FAILED;
+        return NM_ACT_STAGE_RETURN_FAILURE;
+    }
+
+    /* As of kernel 4.16, the 6LoWPAN devices layered on top of WPANs
+     * need to be DOWN as well as the WPAN device itself in order to
+     * modify the WPAN properties. */
+    lowpan_plink =
+        nm_platform_link_get_by_address(platform, NM_LINK_TYPE_6LOWPAN, hwaddr, hwaddr_len);
+    if (lowpan_plink && NM_FLAGS_HAS(lowpan_plink->n_ifi_flags, IFF_UP)) {
+        lowpan_device = nm_manager_get_device_by_ifindex(NM_MANAGER_GET, lowpan_plink->ifindex);
+    }
+
+    if (lowpan_device)
+        nm_device_take_down(lowpan_device, TRUE);
+
+    nm_device_take_down(device, TRUE);
+
+    pan_id = nm_setting_wpan_get_pan_id(s_wpan);
+    if (pan_id != G_MAXUINT16) {
+        if (!nm_platform_wpan_set_pan_id(platform, ifindex, pan_id)) {
+            _LOGW(LOGD_DEVICE, "unable to set the PAN ID");
+            goto out;
+        }
+    }
+
+    short_address = nm_setting_wpan_get_short_address(s_wpan);
+    if (short_address != G_MAXUINT16) {
+        if (!nm_platform_wpan_set_short_addr(platform, ifindex, short_address)) {
+            _LOGW(LOGD_DEVICE, "unable to set the short address");
+            goto out;
+        }
+    }
+
+    channel = nm_setting_wpan_get_channel(s_wpan);
+    if (channel != NM_SETTING_WPAN_CHANNEL_DEFAULT) {
+        page = nm_setting_wpan_get_page(s_wpan);
+        if (!nm_platform_wpan_set_channel(platform, ifindex, page, channel)) {
+            _LOGW(LOGD_DEVICE, "unable to set the channel");
+            goto out;
+        }
+    }
+
+    ret = NM_ACT_STAGE_RETURN_SUCCESS;
+
+out:
+    nm_device_bring_up(device, TRUE, NULL);
+
+    if (lowpan_device)
+        nm_device_bring_up(lowpan_device, TRUE, NULL);
+
+    return ret;
+}
+
+/*****************************************************************************/
+
+static void
+nm_device_wpan_init(NMDeviceWpan *self)
+{}
+
+static const NMDBusInterfaceInfoExtended interface_info_device_wpan = {
+    .parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT(
+        NM_DBUS_INTERFACE_DEVICE_WPAN,
+        .properties = NM_DEFINE_GDBUS_PROPERTY_INFOS(
+            NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("HwAddress",
+                                                           "s",
+                                                           NM_DEVICE_HW_ADDRESS), ), ),
+};
+
+static void
+nm_device_wpan_class_init(NMDeviceWpanClass *klass)
+{
+    NMDeviceClass *    device_class      = NM_DEVICE_CLASS(klass);
+    NMDBusObjectClass *dbus_object_class = NM_DBUS_OBJECT_CLASS(klass);
+
+    dbus_object_class->interface_infos = NM_DBUS_INTERFACE_INFOS(&interface_info_device_wpan);
+
+    device_class->connection_type_supported        = NM_SETTING_WPAN_SETTING_NAME;
+    device_class->connection_type_check_compatible = NM_SETTING_WPAN_SETTING_NAME;
+    device_class->link_types                       = NM_DEVICE_DEFINE_LINK_TYPES(NM_LINK_TYPE_WPAN);
+
+    device_class->complete_connection         = complete_connection;
+    device_class->check_connection_compatible = check_connection_compatible;
+    device_class->update_connection           = update_connection;
+    device_class->act_stage1_prepare          = act_stage1_prepare;
+}
+
+/*****************************************************************************/
+
+#define NM_TYPE_WPAN_DEVICE_FACTORY (nm_wpan_device_factory_get_type())
+#define NM_WPAN_DEVICE_FACTORY(obj) \
+    (G_TYPE_CHECK_INSTANCE_CAST((obj), NM_TYPE_WPAN_DEVICE_FACTORY, NMWpanDeviceFactory))
+
+static NMDevice *
+create_device(NMDeviceFactory *     factory,
+              const char *          iface,
+              const NMPlatformLink *plink,
+              NMConnection *        connection,
+              gboolean *            out_ignore)
+{
+    return g_object_new(NM_TYPE_DEVICE_WPAN,
+                        NM_DEVICE_IFACE,
+                        iface,
+                        NM_DEVICE_TYPE_DESC,
+                        "WPAN",
+                        NM_DEVICE_DEVICE_TYPE,
+                        NM_DEVICE_TYPE_WPAN,
+                        NM_DEVICE_LINK_TYPE,
+                        NM_LINK_TYPE_WPAN,
+                        NULL);
+}
+
+NM_DEVICE_FACTORY_DEFINE_INTERNAL(
+    WPAN,
+    Wpan,
+    wpan,
+    NM_DEVICE_FACTORY_DECLARE_LINK_TYPES(NM_LINK_TYPE_WPAN)
+        NM_DEVICE_FACTORY_DECLARE_SETTING_TYPES(NM_SETTING_WPAN_SETTING_NAME),
+    factory_class->create_device = create_device;);