188 lines
5 KiB
C
188 lines
5 KiB
C
/*
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* WPA Supplicant / dbus-based control interface
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* Copyright (c) 2006, Dan Williams <dcbw@redhat.com> and Red Hat, Inc.
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* Copyright (c) 2009, Witold Sowa <witold.sowa@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#ifndef WPA_DBUS_CTRL_H
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#define WPA_DBUS_CTRL_H
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#include <dbus/dbus.h>
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typedef DBusMessage * (* WPADBusMethodHandler)(DBusMessage *message,
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void *user_data);
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typedef void (* WPADBusArgumentFreeFunction)(void *handler_arg);
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typedef DBusMessage * (* WPADBusPropertyAccessor)(DBusMessage *message,
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const void *user_data);
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struct wpa_dbus_object_desc {
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DBusConnection *connection;
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/* list of methods, properties and signals registered with object */
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struct wpa_dbus_method_desc *methods;
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struct wpa_dbus_signal_desc *signals;
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struct wpa_dbus_property_desc *properties;
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/* argument for method handlers and properties
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* getter and setter functions */
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void *user_data;
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/* function used to free above argument */
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WPADBusArgumentFreeFunction user_data_free_func;
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};
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enum dbus_prop_access { R, W, RW };
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enum dbus_arg_direction { ARG_IN, ARG_OUT };
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struct wpa_dbus_argument {
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char *name;
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char *type;
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enum dbus_arg_direction dir;
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};
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#define END_ARGS { NULL, NULL, ARG_IN }
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/**
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* struct wpa_dbus_method_desc - DBus method description
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*/
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struct wpa_dbus_method_desc {
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/* pointer to next description in list */
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struct wpa_dbus_method_desc *next;
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/* method interface */
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char *dbus_interface;
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/* method name */
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char *dbus_method;
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/* method handling function */
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WPADBusMethodHandler method_handler;
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/* number of method arguments */
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int args_num;
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/* array of arguments */
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struct wpa_dbus_argument args[];
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};
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/**
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* struct wpa_dbus_signal_desc - DBus signal description
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*/
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struct wpa_dbus_signal_desc {
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/* pointer to next description in list */
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struct wpa_dbus_signal_desc *next;
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/* signal interface */
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char *dbus_interface;
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/* signal name */
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char *dbus_signal;
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/* number of signal arguments */
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int args_num;
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/* array of arguments */
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struct wpa_dbus_argument args[0];
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};
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/**
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* struct wpa_dbus_property_desc - DBus property description
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*/
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struct wpa_dbus_property_desc {
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/* pointer to next description in list */
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struct wpa_dbus_property_desc *next;
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/* property interface */
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char *dbus_interface;
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/* property name */
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char *dbus_property;
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/* property type signature in DBus type notation */
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char *type;
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/* property access permissions */
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enum dbus_prop_access access;
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/* property getter function */
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WPADBusPropertyAccessor getter;
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/* property setter function */
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WPADBusPropertyAccessor setter;
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};
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#ifndef SIGPOLL
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#ifdef SIGIO
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/*
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* If we do not have SIGPOLL, try to use SIGIO instead. This is needed for
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* FreeBSD.
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*/
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#define SIGPOLL SIGIO
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#endif
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#endif
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#define WPAS_DBUS_OBJECT_PATH_MAX 150
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#define WPAS_DBUS_INTERFACE_MAX 150
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#define WPAS_DBUS_METHOD_SIGNAL_PROP_MAX 50
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#define WPA_DBUS_INTROSPECTION_INTERFACE "org.freedesktop.DBus.Introspectable"
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#define WPA_DBUS_INTROSPECTION_METHOD "Introspect"
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#define WPA_DBUS_PROPERTIES_INTERFACE "org.freedesktop.DBus.Properties"
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#define WPA_DBUS_PROPERTIES_GET "Get"
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#define WPA_DBUS_PROPERTIES_SET "Set"
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#define WPA_DBUS_PROPERTIES_GETALL "GetAll"
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void free_dbus_object_desc(struct wpa_dbus_object_desc *obj_dsc);
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int wpa_dbus_ctrl_iface_init(struct wpas_dbus_priv *iface, char *dbus_path,
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char *dbus_service,
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struct wpa_dbus_object_desc *obj_desc);
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int wpa_dbus_register_object_per_iface(
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struct wpas_dbus_priv *ctrl_iface,
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const char *path, const char *ifname,
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struct wpa_dbus_object_desc *obj_desc);
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int wpa_dbus_unregister_object_per_iface(
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struct wpas_dbus_priv *ctrl_iface,
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const char *path);
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int wpa_dbus_method_register(struct wpa_dbus_object_desc *obj_dsc,
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const char *dbus_interface,
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const char *dbus_method,
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WPADBusMethodHandler method_handler,
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const struct wpa_dbus_argument args[]);
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int wpa_dbus_signal_register(struct wpa_dbus_object_desc *obj_dsc,
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const char *dbus_interface,
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const char *dbus_signal,
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const struct wpa_dbus_argument args[]);
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int wpa_dbus_property_register(
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struct wpa_dbus_object_desc *obj_dsc,
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const char *dbus_interface, const char *dbus_property,
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const char *type,
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WPADBusPropertyAccessor getter,
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WPADBusPropertyAccessor setter,
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enum dbus_prop_access _access);
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void wpa_dbus_signal_property_changed(struct wpas_dbus_priv *iface,
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WPADBusPropertyAccessor property_getter,
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void *getter_arg,
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const char *path,
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const char *interface_name,
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const char *property_name);
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void wpa_dbus_get_object_properties(struct wpas_dbus_priv *iface,
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const char *path, const char *interface,
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DBusMessageIter *dict_iter);
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DBusMessage * wpa_dbus_introspect(DBusMessage *message,
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struct wpa_dbus_object_desc *obj_dsc);
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#endif /* WPA_DBUS_CTRL_H */
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