Add code for retrieving supplicant global properties

3 files changed, 228 insertions, 3 deletions

diff --git a/tools/supplicant-test.c b/tools/supplicant-test.c
index 24fd5d8f..d2bb3c28 100644
--- a/tools/supplicant-test.c
+++ b/tools/supplicant-test.c
@@ -31,9 +31,7 @@
 
 #include <gdbus.h>
 
-#define DBG(fmt, arg...) do { \
-	syslog(LOG_DEBUG, "%s:%s() " fmt, __FILE__, __FUNCTION__ , ## arg); \
-} while (0)
+#include "supplicant.h"
 
 static GMainLoop *main_loop = NULL;
 
@@ -82,8 +80,16 @@ int main(int argc, char *argv[])
 
 	syslog(LOG_INFO, "Startup");
 
+	if (supplicant_init() < 0) {
+		syslog(LOG_ERR, "Failed to init supplicant");
+		goto done;
+	}
+
 	g_main_loop_run(main_loop);
 
+	supplicant_exit();
+
+done:
 	syslog(LOG_INFO, "Exit");
 
 	dbus_connection_unref(conn);
diff --git a/tools/supplicant.c b/tools/supplicant.c
new file mode 100644
index 00000000..0e4ffc23
--- /dev/null
+++ b/tools/supplicant.c
@@ -0,0 +1,196 @@
+/*
+ *
+ *  Connection Manager
+ *
+ *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
+ *
+ *  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.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <errno.h>
+#include <syslog.h>
+
+#include <gdbus.h>
+
+#include "supplicant.h"
+
+#define DBG(fmt, arg...) do { \
+	syslog(LOG_DEBUG, "%s() " fmt, __FUNCTION__ , ## arg); \
+} while (0)
+
+#define SUPPLICANT_SERVICE	"fi.w1.wpa_supplicant1"
+#define SUPPLICANT_INTERFACE	"fi.w1.wpa_supplicant1"
+#define SUPPLICANT_PATH		"/fi/w1/wpa_supplicant1"
+
+#define TIMEOUT 5000
+
+static DBusConnection *connection;
+
+static void show_property(const char *key, DBusMessageIter *iter)
+{
+	DBusMessageIter array;
+	const char *str;
+	unsigned char byte;
+
+	switch (dbus_message_iter_get_arg_type(iter)) {
+	case DBUS_TYPE_STRING:
+		dbus_message_iter_get_basic(iter, &str);
+		DBG("%s = %s", key, str);
+		break;
+	case DBUS_TYPE_BYTE:
+		dbus_message_iter_get_basic(iter, &byte);
+		DBG("%s = %u", key, byte);
+		break;
+	case DBUS_TYPE_ARRAY:
+		DBG("%s = {array}", key);
+		dbus_message_iter_recurse(iter, &array);
+		while (dbus_message_iter_get_arg_type(&array) != DBUS_TYPE_INVALID) {
+			dbus_message_iter_get_basic(&array, &str);
+			DBG("  %s", str);
+			dbus_message_iter_next(&array);
+		}
+		break;
+	default:
+		DBG("%s = ...", key);
+		break;
+	}
+}
+
+static void properties_decode(DBusMessageIter *iter)
+{
+	DBusMessageIter dict;
+
+	if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_ARRAY) {
+		syslog(LOG_ERR, "Invalid message type");
+		return;
+	}
+
+	dbus_message_iter_recurse(iter, &dict);
+
+	while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
+		DBusMessageIter entry, value;
+		const char *key;
+
+		dbus_message_iter_recurse(&dict, &entry);
+
+		if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
+			return;
+
+		dbus_message_iter_get_basic(&entry, &key);
+		dbus_message_iter_next(&entry);
+
+		if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_VARIANT)
+			return;
+
+		dbus_message_iter_recurse(&entry, &value);
+
+		show_property(key, &value);
+
+		dbus_message_iter_next(&dict);
+	}
+}
+
+static void properties_get_all_reply(DBusPendingCall *call, void *user_data)
+{
+	DBusMessage *reply;
+	DBusMessageIter iter;
+
+	DBG("call %p", call);
+
+	reply = dbus_pending_call_steal_reply(call);
+	if (reply == NULL)
+		return;
+
+	if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
+		goto failed;
+
+	if (dbus_message_iter_init(reply, &iter) == FALSE)
+		goto failed;
+
+	DBG("success");
+
+	properties_decode(&iter);
+
+	dbus_message_unref(reply);
+
+	return;
+
+failed:
+	dbus_message_unref(reply);
+}
+
+static int properties_get_all(const char *path, const char *interface)
+{
+	DBusMessage *message;
+	DBusPendingCall *call;
+
+	DBG("");
+
+	message = dbus_message_new_method_call(SUPPLICANT_SERVICE, path,
+					DBUS_INTERFACE_PROPERTIES, "GetAll");
+	if (message == NULL)
+		return -ENOMEM;
+
+	dbus_message_set_auto_start(message, FALSE);
+
+	dbus_message_append_args(message, DBUS_TYPE_STRING, &interface, NULL);
+
+	if (dbus_connection_send_with_reply(connection, message,
+						&call, TIMEOUT) == FALSE) {
+		syslog(LOG_ERR, "Failed to add interface");
+		dbus_message_unref(message);
+		return -EIO;
+	}
+
+	if (call == NULL) {
+		syslog(LOG_ERR, "D-Bus connection not available");
+		dbus_message_unref(message);
+		return -EIO;
+	}
+
+	DBG("call %p", call);
+
+	dbus_pending_call_set_notify(call, properties_get_all_reply,
+								NULL, NULL);
+
+	dbus_message_unref(message);
+
+	return 0;
+}
+
+int supplicant_init(void)
+{
+	DBG("");
+
+	connection = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
+	if (connection == NULL)
+		return -EIO;
+
+	properties_get_all(SUPPLICANT_PATH, SUPPLICANT_INTERFACE);
+
+	return 0;
+}
+
+void supplicant_exit(void)
+{
+	DBG("");
+
+	if (connection != NULL)
+		dbus_connection_unref(connection);
+}
diff --git a/tools/supplicant.h b/tools/supplicant.h
new file mode 100644
index 00000000..14651084
--- /dev/null
+++ b/tools/supplicant.h
@@ -0,0 +1,23 @@
+/*
+ *
+ *  Connection Manager
+ *
+ *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
+ *
+ *  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.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+int supplicant_init(void);
+void supplicant_exit(void);