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bluez: do not allow resetting the capabilities of a bluez device

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Also freeze gobject notifications while updating proberties.

Signed-off-by: Thomas Haller <thaller@redhat.com>
This commit is contained in:
Thomas Haller 2013-09-20 19:17:21 +02:00
parent 57e19288b7
commit cfd4d5209c
1 changed files with 39 additions and 17 deletions
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56
src/bluez-manager/nm-bluez-device.c
View file

@ -268,10 +268,16 @@ check_emit_usable (NMBluezDevice *self)
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
gboolean new_usable;
/* only expect the supported capabilities set. */
g_assert ((priv->capabilities & ~( NM_BT_CAPABILITY_NAP
#if ! WITH_BLUEZ5
| NM_BT_CAPABILITY_DUN
#endif
)) == NM_BT_CAPABILITY_NONE);
new_usable = (priv->initialized && priv->capabilities && priv->name &&
#if WITH_BLUEZ5
priv->adapter && priv->dbus_connection &&
(priv->capabilities & NM_BT_CAPABILITY_NAP) && /* BlueZ5 is only usable with NAP devices */
#endif
priv->address);
@ -621,6 +627,30 @@ convert_uuids_to_capabilities (const char **strings)
return capabilities;
}
static void
_set_property_capabilities (NMBluezDevice *self, const char **uuids, gboolean notify)
{
guint32 uint_val;
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
uint_val = convert_uuids_to_capabilities (uuids);
if (priv->capabilities != uint_val) {
if (priv->capabilities) {
/* changing (relevant) capabilities is not supported and ignored -- except setting initially */
nm_log_warn (LOGD_BT, "ignore change of capabilities for Bluetooth device %s from %u to %u",
priv->path, priv->capabilities, uint_val);
return;
}
nm_log_dbg (LOGD_BT, "set capabilities for Bluetooth device %s: %s%s%s", priv->path,
uint_val & NM_BT_CAPABILITY_NAP ? "NAP" : "",
((uint_val & NM_BT_CAPABILITY_DUN) && (uint_val &NM_BT_CAPABILITY_NAP)) ? " | " : "",
uint_val & NM_BT_CAPABILITY_DUN ? "DUN" : "");
priv->capabilities = uint_val;
if (notify)
g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_CAPABILITIES);
}
}
#if WITH_BLUEZ5
static void
on_adapter_acquired (GObject *object, GAsyncResult *res, NMBluezDevice *self)
@ -651,10 +681,10 @@ properties_changed (GDBusProxy *proxy5,
const char *property;
const char *str;
GVariant *v;
guint32 uint_val;
gint int_val;
const char **strv;
g_object_freeze_notify (G_OBJECT (self));
g_variant_iter_init (&i, changed_properties);
while (g_variant_iter_next (&i, "{&sv}", &property, &v)) {
if (!strcmp (property, "Name")) {
@ -672,12 +702,8 @@ properties_changed (GDBusProxy *proxy5,
}
} else if (!strcmp (property, "UUIDs")) {
strv = g_variant_get_strv (v, NULL);
uint_val = convert_uuids_to_capabilities (strv);
_set_property_capabilities (self, strv, TRUE);
g_free (strv);
if (priv->capabilities != uint_val) {
priv->capabilities = uint_val;
g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_CAPABILITIES);
}
} else if (!strcmp (property, "Connected")) {
gboolean connected = g_variant_get_boolean (v);
if (priv->connected != connected) {
@ -687,6 +713,7 @@ properties_changed (GDBusProxy *proxy5,
}
g_variant_unref (v);
}
g_object_thaw_notify (G_OBJECT (self));
check_emit_usable (self);
}
@ -700,9 +727,9 @@ property_changed (DBusGProxy *proxy4,
NMBluezDevice *self = NM_BLUEZ_DEVICE (user_data);
NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self);
const char *str;
guint32 uint_val;
gint int_val;
g_object_freeze_notify (G_OBJECT (self));
{
if (!strcmp (property, "Name")) {
str = g_value_get_string (value);
@ -720,11 +747,7 @@ property_changed (DBusGProxy *proxy4,
g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_RSSI);
}
} else if (!strcmp (property, "UUIDs")) {
uint_val = convert_uuids_to_capabilities ((const char **) g_value_get_boxed (value));
if (priv->capabilities != uint_val) {
priv->capabilities = uint_val;
g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_CAPABILITIES);
}
_set_property_capabilities (self, (const char **) g_value_get_boxed (value), TRUE);
} else if (!strcmp (property, "Connected")) {
gboolean connected = g_value_get_boolean (value);
if (priv->connected != connected) {
@ -733,6 +756,7 @@ property_changed (DBusGProxy *proxy4,
}
}
}
g_object_thaw_notify (G_OBJECT (self));
check_emit_usable (self);
}
@ -770,7 +794,7 @@ query_properties (NMBluezDevice *self)
v = g_dbus_proxy_get_cached_property (priv->proxy5, "UUIDs");
if (v) {
uuids = g_variant_get_strv (v, NULL);
priv->capabilities = convert_uuids_to_capabilities (uuids);
_set_property_capabilities (self, uuids, FALSE);
g_variant_unref (v);
} else
priv->capabilities = NM_BT_CAPABILITY_NONE;
@ -807,7 +831,6 @@ get_properties_cb (DBusGProxy *proxy4, DBusGProxyCall *call, gpointer user_data)
GHashTable *properties = NULL;
GError *err = NULL;
GValue *value;
const char **uuids;
struct ether_addr *tmp;
if (!dbus_g_proxy_end_call (proxy4, call, &err,
@ -836,8 +859,7 @@ get_properties_cb (DBusGProxy *proxy4, DBusGProxyCall *call, gpointer user_data)
value = g_hash_table_lookup (properties, "UUIDs");
if (value) {
uuids = (const char **) g_value_get_boxed (value);
priv->capabilities = convert_uuids_to_capabilities (uuids);
_set_property_capabilities (self, (const char **) g_value_get_boxed (value), FALSE);
} else
priv->capabilities = NM_BT_CAPABILITY_NONE;