diff options
Diffstat (limited to 'plugins/modalias/gs-plugin-modalias.c')
| -rw-r--r-- | plugins/modalias/gs-plugin-modalias.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/plugins/modalias/gs-plugin-modalias.c b/plugins/modalias/gs-plugin-modalias.c new file mode 100644 index 0000000..d4e27a2 --- /dev/null +++ b/plugins/modalias/gs-plugin-modalias.c @@ -0,0 +1,151 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- + * vi:set noexpandtab tabstop=8 shiftwidth=8: + * + * Copyright (C) 2016 Richard Hughes <richard@hughsie.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> + +#include <fnmatch.h> +#include <gudev/gudev.h> + +#include <gnome-software.h> + +struct GsPluginData { + GUdevClient *client; + GPtrArray *devices; +}; + +static void +gs_plugin_modalias_uevent_cb (GUdevClient *client, + const gchar *action, + GUdevDevice *device, + GsPlugin *plugin) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + if (g_strcmp0 (action, "add") == 0 || + g_strcmp0 (action, "remove") == 0) { + g_debug ("invalidating devices as '%s' sent action '%s'", + g_udev_device_get_sysfs_path (device), + action); + g_ptr_array_set_size (priv->devices, 0); + } +} + +void +gs_plugin_initialize (GsPlugin *plugin) +{ + GsPluginData *priv = gs_plugin_alloc_data (plugin, sizeof(GsPluginData)); + gs_plugin_add_rule (plugin, GS_PLUGIN_RULE_RUN_AFTER, "appstream"); + gs_plugin_add_rule (plugin, GS_PLUGIN_RULE_RUN_BEFORE, "icons"); + priv->devices = g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref); + priv->client = g_udev_client_new (NULL); + g_signal_connect (priv->client, "uevent", + G_CALLBACK (gs_plugin_modalias_uevent_cb), plugin); +} + +void +gs_plugin_destroy (GsPlugin *plugin) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + g_object_unref (priv->client); + g_ptr_array_unref (priv->devices); +} + +static void +gs_plugin_modalias_ensure_devices (GsPlugin *plugin) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + g_autoptr(GList) list = NULL; + + /* already set */ + if (priv->devices->len > 0) + return; + + /* get the devices, and assume ownership of each */ + list = g_udev_client_query_by_subsystem (priv->client, NULL); + for (GList *l = list; l != NULL; l = l->next) { + GUdevDevice *device = G_UDEV_DEVICE (l->data); + if (g_udev_device_get_sysfs_attr (device, "modalias") == NULL) { + g_object_unref (device); + continue; + } + g_ptr_array_add (priv->devices, device); + } + g_debug ("%u devices with modalias", priv->devices->len); +} + +static gboolean +gs_plugin_modalias_matches (GsPlugin *plugin, const gchar *modalias) +{ + GsPluginData *priv = gs_plugin_get_data (plugin); + + gs_plugin_modalias_ensure_devices (plugin); + for (guint i = 0; i < priv->devices->len; i++) { + GUdevDevice *device = g_ptr_array_index (priv->devices, i); + const gchar *modalias_tmp; + + /* get the (optional) device modalias */ + modalias_tmp = g_udev_device_get_sysfs_attr (device, "modalias"); + if (modalias_tmp == NULL) + continue; + if (fnmatch (modalias, modalias_tmp, 0) == 0) { + g_debug ("matched %s against %s", modalias_tmp, modalias); + return TRUE; + } + } + return FALSE; +} + +static gboolean +refine_app (GsPlugin *plugin, + GsApp *app, + GsPluginRefineFlags flags, + GCancellable *cancellable, + GError **error) +{ + GPtrArray *provides; + guint i; + + /* not required */ + if (gs_app_get_icons(app)->len > 0) + return TRUE; + if (gs_app_get_kind (app) != AS_APP_KIND_DRIVER) + return TRUE; + + /* do any of the modaliases match any installed hardware */ + provides = gs_app_get_provides (app); + for (i = 0 ; i < provides->len; i++) { + AsProvide *prov = g_ptr_array_index (provides, i); + if (as_provide_get_kind (prov) != AS_PROVIDE_KIND_MODALIAS) + continue; + if (gs_plugin_modalias_matches (plugin, as_provide_get_value (prov))) { + g_autoptr(AsIcon) ic = NULL; + ic = as_icon_new (); + as_icon_set_kind (ic, AS_ICON_KIND_STOCK); + as_icon_set_name (ic, "emblem-system-symbolic"); + gs_app_add_icon (app, ic); + gs_app_add_quirk (app, GS_APP_QUIRK_NOT_LAUNCHABLE); + break; + } + } + return TRUE; +} + +gboolean +gs_plugin_refine (GsPlugin *plugin, + GsAppList *list, + GsPluginRefineFlags flags, + GCancellable *cancellable, + GError **error) +{ + for (guint i = 0; i < gs_app_list_length (list); i++) { + GsApp *app = gs_app_list_index (list, i); + if (!refine_app (plugin, app, flags, cancellable, error)) + return FALSE; + } + + return TRUE; +} |