From a51e0f01a2445438f0d4e438bb66ccffd9621480 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Thu, 16 Jul 2009 04:45:07 +0200
Subject: [PATCH] Add helper function for WiFi group name

---
 include/Makefile.am |  2 +-
 include/wifi.h      | 38 ++++++++++++++++++++++++++++++++++++++
 src/connman.h       |  2 ++
 src/wifi.c          | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 91 insertions(+), 1 deletion(-)
 create mode 100644 include/wifi.h
 create mode 100644 src/wifi.c

diff --git a/include/Makefile.am b/include/Makefile.am
index 160ae60..53e991d 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -6,7 +6,7 @@ include_HEADERS = types.h log.h plugin.h security.h notifier.h \
 
 nodist_include_HEADERS = version.h
 
-noinst_HEADERS = driver.h element.h property.h rtnl.h dbus.h \
+noinst_HEADERS = driver.h element.h property.h rtnl.h wifi.h dbus.h \
 			rfkill.h resolver.h ipconfig.h service.h option.h
 
 MAINTAINERCLEANFILES = Makefile.in
diff --git a/include/wifi.h b/include/wifi.h
new file mode 100644
index 0000000..aa63f80
--- /dev/null
+++ b/include/wifi.h
@@ -0,0 +1,38 @@
+/*
+ *
+ *  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
+ *
+ */
+
+#ifndef __CONNMAN_WIFI_H
+#define __CONNMAN_WIFI_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+char *connman_wifi_build_group_name(const unsigned char *ssid,
+						unsigned int ssid_len,
+							const char *mode,
+							const char *security);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __CONNMAN_WIFI_H */
diff --git a/src/connman.h b/src/connman.h
index 9b68083..a688db2 100644
--- a/src/connman.h
+++ b/src/connman.h
@@ -105,6 +105,8 @@ int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
 
 enum connman_device_type __connman_inet_get_device_type(int index);
 
+#include <connman/wifi.h>
+
 #include <connman/rfkill.h>
 
 int __connman_rfkill_init(void);
diff --git a/src/wifi.c b/src/wifi.c
new file mode 100644
index 0000000..72f2500
--- /dev/null
+++ b/src/wifi.c
@@ -0,0 +1,50 @@
+/*
+ *
+ *  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 <glib.h>
+
+#include "connman.h"
+
+char *connman_wifi_build_group_name(const unsigned char *ssid,
+						unsigned int ssid_len,
+							const char *mode,
+							const char *security)
+{
+	GString *str;
+	unsigned int i;
+
+	str = g_string_sized_new((ssid_len * 2) + 24);
+	if (str == NULL)
+		return NULL;
+
+	if (ssid_len > 0 && ssid[0] != '\0') {
+		for (i = 0; i < ssid_len; i++)
+			g_string_append_printf(str, "%02x", ssid[i]);
+	}
+
+	g_string_append_printf(str, "_%s_%s", mode, security);
+
+	return g_string_free(str, FALSE);
+}
-- 
2.7.4