From 044f4199fa31ff8ec4f9c91c051e05fc3cf14d0f Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Thu, 13 Mar 2008 23:27:05 +0100
Subject: [PATCH] Use list of known networks to re-connect to

---
 src/connman.h       |  2 ++
 src/iface-storage.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++---
 src/iface.c         | 11 +++++++--
 3 files changed, 75 insertions(+), 5 deletions(-)

diff --git a/src/connman.h b/src/connman.h
index c253a8e..f9416d2 100644
--- a/src/connman.h
+++ b/src/connman.h
@@ -70,6 +70,8 @@ int __connman_iface_init_via_inet(struct connman_iface *iface);
 int __connman_iface_up(struct connman_iface *iface);
 int __connman_iface_down(struct connman_iface *iface);
 
+char *__connman_iface_find_passphrase(struct connman_iface *iface,
+							const char *network);
 int __connman_iface_load(struct connman_iface *iface);
 int __connman_iface_store(struct connman_iface *iface);
 
diff --git a/src/iface-storage.c b/src/iface-storage.c
index a5b57a3..7872f7c 100644
--- a/src/iface-storage.c
+++ b/src/iface-storage.c
@@ -32,10 +32,62 @@
 
 #define GROUP_CONFIG  "Config"
 
+char *__connman_iface_find_passphrase(struct connman_iface *iface,
+							const char *network)
+{
+	GKeyFile *keyfile;
+	gchar *pathname, *result = NULL;
+	gchar **list;
+	gsize list_len;
+	int i;
+
+	DBG("iface %p", iface);
+
+	if (iface->identifier == NULL)
+		return NULL;
+
+	pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
+							iface->identifier);
+	if (pathname == NULL)
+		return NULL;
+
+	keyfile = g_key_file_new();
+
+	g_key_file_set_list_separator(keyfile, ',');
+
+	if (g_key_file_load_from_file(keyfile, pathname, 0, NULL) == FALSE)
+		goto done;
+
+	if (g_key_file_has_group(keyfile, GROUP_CONFIG) == FALSE)
+		goto done;
+
+	list = g_key_file_get_string_list(keyfile, GROUP_CONFIG,
+					"KnownNetworks", &list_len, NULL);
+	for (i = 0; i < list_len; i++)
+		if (g_str_equal(list[i], network) == TRUE) {
+			result = g_key_file_get_string(keyfile, network,
+								"PSK", NULL);
+			if (result == NULL)
+				result = g_strdup("");
+			break;
+		}
+
+	g_strfreev(list);
+
+done:
+	g_key_file_free(keyfile);
+
+	g_free(pathname);
+
+	return result;
+}
+
 int __connman_iface_load(struct connman_iface *iface)
 {
 	GKeyFile *keyfile;
 	gchar *pathname, *str;
+	gchar **list;
+	gsize list_len;
 
 	DBG("iface %p", iface);
 
@@ -49,6 +101,8 @@ int __connman_iface_load(struct connman_iface *iface)
 
 	keyfile = g_key_file_new();
 
+	g_key_file_set_list_separator(keyfile, ',');
+
 	if (g_key_file_load_from_file(keyfile, pathname, 0, NULL) == FALSE)
 		goto done;
 
@@ -61,7 +115,13 @@ int __connman_iface_load(struct connman_iface *iface)
 		g_free(str);
 	}
 
-	str = g_key_file_get_string(keyfile, GROUP_CONFIG, "Network", NULL);
+	list = g_key_file_get_string_list(keyfile, GROUP_CONFIG,
+					"KnownNetworks", &list_len, NULL);
+
+	g_strfreev(list);
+
+	str = g_key_file_get_string(keyfile, GROUP_CONFIG,
+						"LastNetwork", NULL);
 	if (str != NULL) {
 		g_free(iface->network.identifier);
 		iface->network.identifier = str;
@@ -93,9 +153,10 @@ static void do_update(GKeyFile *keyfile, struct connman_iface *iface)
 
 	if (iface->network.identifier != NULL) {
 		g_key_file_set_string(keyfile, GROUP_CONFIG,
-				"Network", iface->network.identifier);
+				"LastNetwork", iface->network.identifier);
 	} else
-		g_key_file_remove_key(keyfile, GROUP_CONFIG, "Network", NULL);
+		g_key_file_remove_key(keyfile, GROUP_CONFIG,
+						"LastNetwork", NULL);
 
 	if (iface->network.identifier != NULL)
 		g_key_file_set_string(keyfile, iface->network.identifier,
diff --git a/src/iface.c b/src/iface.c
index b9fe513..a35d22a 100644
--- a/src/iface.c
+++ b/src/iface.c
@@ -360,6 +360,7 @@ void connman_iface_indicate_station(struct connman_iface *iface,
 				const char *name, int strength, int security)
 {
 	DBusMessage *signal;
+	char *passphrase;
 
 	DBG("iface %p security %d name %s", iface, security, name);
 
@@ -376,9 +377,15 @@ void connman_iface_indicate_station(struct connman_iface *iface,
 	dbus_connection_send(connection, signal, NULL);
 	dbus_message_unref(signal);
 
-	if (g_str_equal(name, iface->network.identifier) == TRUE &&
-			iface->state == CONNMAN_IFACE_STATE_SCANNING) {
+	if (iface->state != CONNMAN_IFACE_STATE_SCANNING)
+		return;
+
+	passphrase = __connman_iface_find_passphrase(iface, name);
+	if (passphrase != NULL) {
+		g_free(iface->network.identifier);
 		iface->network.identifier = g_strdup(name);
+		g_free(iface->network.passphrase);
+		iface->network.passphrase = passphrase;
 
 		if (iface->driver->connect) {
 			iface->driver->connect(iface, &iface->network);
-- 
2.7.4