* Copyright (c) 2009, Witold Sowa <witold.sowa@gmail.com>
* Copyright (c) 2010, Jouni Malinen <j@w1.fi>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
*/
#include "utils/includes.h"
};
-static void add_interface(struct dl_list *list, const char *dbus_interface)
+static struct interfaces * add_interface(struct dl_list *list,
+ const char *dbus_interface)
{
struct interfaces *iface;
dl_list_for_each(iface, list, struct interfaces, list) {
if (os_strcmp(iface->dbus_interface, dbus_interface) == 0)
- return; /* already in the list */
+ return iface; /* already in the list */
}
iface = os_zalloc(sizeof(struct interfaces));
if (!iface)
- return;
- iface->xml = wpabuf_alloc(3000);
- if (iface->xml == NULL) {
+ return NULL;
+ iface->dbus_interface = os_strdup(dbus_interface);
+ iface->xml = wpabuf_alloc(15000);
+ if (iface->dbus_interface == NULL || iface->xml == NULL) {
+ os_free(iface->dbus_interface);
+ wpabuf_free(iface->xml);
os_free(iface);
- return;
+ return NULL;
}
wpabuf_printf(iface->xml, "<interface name=\"%s\">", dbus_interface);
dl_list_add_tail(list, &iface->list);
- iface->dbus_interface = os_strdup(dbus_interface);
+ return iface;
}
-static void extract_interfaces_methods(struct dl_list *list,
- struct wpa_dbus_method_desc *methods)
+static void add_arg(struct wpabuf *xml, const char *name, const char *type,
+ const char *direction)
{
- struct wpa_dbus_method_desc *dsc;
- for (dsc = methods; dsc; dsc = dsc->next)
- add_interface(list, dsc->dbus_interface);
+ wpabuf_printf(xml, "<arg name=\"%s\"", name);
+ if (type)
+ wpabuf_printf(xml, " type=\"%s\"", type);
+ if (direction)
+ wpabuf_printf(xml, " direction=\"%s\"", direction);
+ wpabuf_put_str(xml, "/>");
}
-static void extract_interfaces_signals(struct dl_list *list,
- struct wpa_dbus_signal_desc *signals)
+static void add_entry(struct wpabuf *xml, const char *type, const char *name,
+ const struct wpa_dbus_argument *args, int include_dir)
{
- struct wpa_dbus_signal_desc *dsc;
- for (dsc = signals; dsc; dsc = dsc->next)
- add_interface(list, dsc->dbus_interface);
+ const struct wpa_dbus_argument *arg;
+
+ if (args == NULL || args->name == NULL) {
+ wpabuf_printf(xml, "<%s name=\"%s\"/>", type, name);
+ return;
+ }
+ wpabuf_printf(xml, "<%s name=\"%s\">", type, name);
+ for (arg = args; arg && arg->name; arg++) {
+ add_arg(xml, arg->name, arg->type,
+ include_dir ? (arg->dir == ARG_IN ? "in" : "out") :
+ NULL);
+ }
+ wpabuf_printf(xml, "</%s>", type);
+}
+
+
+static void add_property(struct wpabuf *xml,
+ const struct wpa_dbus_property_desc *dsc)
+{
+ wpabuf_printf(xml, "<property name=\"%s\" type=\"%s\" "
+ "access=\"%s%s\"/>",
+ dsc->dbus_property, dsc->type,
+ dsc->getter ? "read" : "",
+ dsc->setter ? "write" : "");
+}
+
+
+static void extract_interfaces_methods(
+ struct dl_list *list, const struct wpa_dbus_method_desc *methods)
+{
+ const struct wpa_dbus_method_desc *dsc;
+ struct interfaces *iface;
+
+ for (dsc = methods; dsc && dsc->dbus_method; dsc++) {
+ iface = add_interface(list, dsc->dbus_interface);
+ if (iface)
+ add_entry(iface->xml, "method", dsc->dbus_method,
+ dsc->args, 1);
+ }
+}
+
+
+static void extract_interfaces_signals(
+ struct dl_list *list, const struct wpa_dbus_signal_desc *signals)
+{
+ const struct wpa_dbus_signal_desc *dsc;
+ struct interfaces *iface;
+
+ for (dsc = signals; dsc && dsc->dbus_signal; dsc++) {
+ iface = add_interface(list, dsc->dbus_interface);
+ if (iface)
+ add_entry(iface->xml, "signal", dsc->dbus_signal,
+ dsc->args, 0);
+ }
}
static void extract_interfaces_properties(
- struct dl_list *list, struct wpa_dbus_property_desc *properties)
+ struct dl_list *list, const struct wpa_dbus_property_desc *properties)
{
- struct wpa_dbus_property_desc *dsc;
- for (dsc = properties; dsc; dsc = dsc->next)
- add_interface(list, dsc->dbus_interface);
+ const struct wpa_dbus_property_desc *dsc;
+ struct interfaces *iface;
+
+ for (dsc = properties; dsc && dsc->dbus_property; dsc++) {
+ iface = add_interface(list, dsc->dbus_interface);
+ if (iface)
+ add_property(iface->xml, dsc);
+ }
}
static void add_interfaces(struct dl_list *list, struct wpabuf *xml)
{
struct interfaces *iface, *n;
+
dl_list_for_each_safe(iface, n, list, struct interfaces, list) {
- wpabuf_put_buf(xml, iface->xml);
- wpabuf_put_str(xml, "</interface>");
+ if (wpabuf_len(iface->xml) + 20 < wpabuf_tailroom(xml)) {
+ wpabuf_put_buf(xml, iface->xml);
+ wpabuf_put_str(xml, "</interface>");
+ } else {
+ wpa_printf(MSG_DEBUG,
+ "dbus: Not enough room for add_interfaces inspect data: tailroom %u, add %u",
+ (unsigned int) wpabuf_tailroom(xml),
+ (unsigned int) wpabuf_len(iface->xml));
+ }
dl_list_del(&iface->list);
wpabuf_free(iface->xml);
os_free(iface->dbus_interface);
}
-static struct interfaces * get_interface(struct dl_list *list,
- const char *dbus_interface)
-{
- struct interfaces *iface;
- dl_list_for_each(iface, list, struct interfaces, list) {
- if (os_strcmp(iface->dbus_interface, dbus_interface) == 0)
- return iface;
- }
- return NULL;
-}
-
-
static void add_child_nodes(struct wpabuf *xml, DBusConnection *con,
const char *path)
{
}
-static void add_arg(struct wpabuf *xml, const char *name, const char *type,
- const char *direction)
-{
- wpabuf_printf(xml, "<arg name=\"%s\"", name);
- if (type)
- wpabuf_printf(xml, " type=\"%s\"", type);
- if (direction)
- wpabuf_printf(xml, " direction=\"%s\"", direction);
- wpabuf_put_str(xml, "/>");
-}
-
-
static void add_introspectable_interface(struct wpabuf *xml)
{
wpabuf_printf(xml, "<interface name=\"%s\">"
}
-static void add_entry(struct wpabuf *xml, char *type, char *name, int args_num,
- struct wpa_dbus_argument *args, int include_dir)
-{
- int i;
- if (args_num == 0) {
- wpabuf_printf(xml, "<%s name=\"%s\"/>", type, name);
- return;
- }
- wpabuf_printf(xml, "<%s name=\"%s\">", type, name);
- for (i = 0; i < args_num; i++) {
- struct wpa_dbus_argument *arg = &args[i];
- add_arg(xml, arg->name, arg->type,
- include_dir ? (arg->dir == ARG_IN ? "in" : "out") :
- NULL);
- }
- wpabuf_printf(xml, "</%s>", type);
-}
-
-
-static void add_property(struct wpabuf *xml,
- struct wpa_dbus_property_desc *dsc)
-{
- wpabuf_printf(xml, "<property name=\"%s\" type=\"%s\" access=\"%s\"/>",
- dsc->dbus_property, dsc->type,
- (dsc->access == R ? "read" :
- (dsc->access == W ? "write" : "readwrite")));
-}
-
-
-static void create_method_nodes(struct dl_list *list,
- struct wpa_dbus_method_desc *methods)
-{
- struct wpa_dbus_method_desc *dsc;
- struct interfaces *iface;
-
- for (dsc = methods; dsc; dsc = dsc->next) {
- iface = get_interface(list, dsc->dbus_interface);
- if (!iface)
- continue;
- add_entry(iface->xml, "method", dsc->dbus_method,
- dsc->args_num, dsc->args, 1);
- }
-}
-
-
-static void create_signal_nodes(struct dl_list *list,
- struct wpa_dbus_signal_desc *signals)
-{
- struct wpa_dbus_signal_desc *dsc;
- struct interfaces *iface;
-
- for (dsc = signals; dsc; dsc = dsc->next) {
- iface = get_interface(list, dsc->dbus_interface);
- if (!iface)
- continue;
- add_entry(iface->xml, "signal", dsc->dbus_signal,
- dsc->args_num, dsc->args, 0);
- }
-}
-
-
-static void create_property_nodes(struct dl_list *list,
- struct wpa_dbus_property_desc *properties)
-{
- struct wpa_dbus_property_desc *dsc;
- struct interfaces *iface;
-
- for (dsc = properties; dsc; dsc = dsc->next) {
- iface = get_interface(list, dsc->dbus_interface);
- if (!iface)
- continue;
- add_property(iface->xml, dsc);
- }
-}
-
-
static void add_wpas_interfaces(struct wpabuf *xml,
struct wpa_dbus_object_desc *obj_dsc)
{
struct dl_list ifaces;
+
dl_list_init(&ifaces);
extract_interfaces(&ifaces, obj_dsc);
- create_method_nodes(&ifaces, obj_dsc->methods);
- create_signal_nodes(&ifaces, obj_dsc->signals);
- create_property_nodes(&ifaces, obj_dsc->properties);
add_interfaces(&ifaces, xml);
}
DBusMessage *reply;
struct wpabuf *xml;
- const char *intro_str;
- xml = wpabuf_alloc(4000);
+ xml = wpabuf_alloc(20000);
if (xml == NULL)
return NULL;
add_introspectable_interface(xml);
add_properties_interface(xml);
add_wpas_interfaces(xml, obj_dsc);
-
add_child_nodes(xml, obj_dsc->connection,
dbus_message_get_path(message));
+
wpabuf_put_str(xml, "</node>\n");
reply = dbus_message_new_method_return(message);
- if (reply == NULL) {
- wpabuf_free(xml);
- return NULL;
- }
+ if (reply) {
+ const char *intro_str = wpabuf_head(xml);
- intro_str = wpabuf_head(xml);
- dbus_message_append_args(reply, DBUS_TYPE_STRING, &intro_str,
- DBUS_TYPE_INVALID);
+ dbus_message_append_args(reply, DBUS_TYPE_STRING, &intro_str,
+ DBUS_TYPE_INVALID);
+ }
wpabuf_free(xml);
return reply;
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