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GDbusDaemon: Handle Names with NULL owner

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Generally Names should not exist with a NULL owner, but they can be around
temporarily, like when broadcasting the NameOwnerChanged message during
name release.
This commit is contained in:
Alexander Larsson 2012-04-16 22:40:22 +02:00
parent bc2dcfd6ad
commit bc2f7c1a06
1 changed files with 8 additions and 15 deletions
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21
gio/gdbusdaemon.c
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@ -573,7 +573,7 @@ match_matches (GDBusDaemon *daemon,
break;
case CHECK_TYPE_NAME:
name = name_lookup (daemon, element->value);
if (name != NULL)
if (name != NULL && name->owner != NULL)
{
if (strcmp (name->owner->client->id, value) != 0)
return FALSE;
@ -847,7 +847,7 @@ client_free (Client *client)
name_ref (name);
if (name->owner->client == client)
if (name->owner && name->owner->client == client)
name_release_owner (name);
name_unqueue_owner (name, client);
@ -962,7 +962,7 @@ handle_get_name_owner (_GFreedesktopDBus *object,
}
name = name_lookup (daemon, arg_name);
if (name == NULL)
if (name == NULL || name->owner == NULL)
{
g_dbus_method_invocation_return_error (invocation,
G_DBUS_ERROR, G_DBUS_ERROR_NAME_HAS_NO_OWNER,
@ -970,8 +970,6 @@ handle_get_name_owner (_GFreedesktopDBus *object,
return TRUE;
}
g_assert (name->owner != NULL);
_g_freedesktop_dbus_complete_get_name_owner (object, invocation, name->owner->client->id);
return TRUE;
}
@ -1057,10 +1055,8 @@ handle_list_queued_owners (_GFreedesktopDBus *object,
array = g_ptr_array_new ();
name = name_lookup (daemon, arg_name);
if (name)
if (name && name->owner)
{
g_assert (name->owner != NULL);
for (l = name->queue; l != NULL; l = l->next)
{
Client *client = l->data;
@ -1131,7 +1127,7 @@ handle_release_name (_GFreedesktopDBus *object,
if (name == NULL)
result = DBUS_RELEASE_NAME_REPLY_NON_EXISTENT;
else if (name->owner->client == client)
else if (name->owner && name->owner->client == client)
{
name_release_owner (name);
result = DBUS_RELEASE_NAME_REPLY_RELEASED;
@ -1238,7 +1234,7 @@ handle_request_name (_GFreedesktopDBus *object,
result = DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER;
}
else if (name->owner->client == client)
else if (name->owner && name->owner->client == client)
{
name->owner->flags = flags;
result = DBUS_REQUEST_NAME_REPLY_ALREADY_OWNER;
@ -1349,12 +1345,9 @@ route_message (Client *source_client, GDBusMessage *message)
{
Name *name;
name = name_lookup (daemon, dest);
if (name)
{
g_assert (name->owner != NULL);
if (name && name->owner)
dest_client = name->owner->client;
}
}
if (dest_client == NULL)
{