plugins: add connman private network driver

1 files changed, 287 insertions, 0 deletions

diff --git a/plugins/connman.c b/plugins/connman.c
new file mode 100644
index 00000000..caa9aab1
--- /dev/null
+++ b/plugins/connman.c
@@ -0,0 +1,287 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2011  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 <stdlib.h>
+#include <unistd.h>
+
+#include <gdbus.h>
+#include <string.h>
+
+#define OFONO_API_SUBJECT_TO_CHANGE
+#include <ofono/log.h>
+#include <ofono/dbus.h>
+#include <ofono/plugin.h>
+#include <ofono/private-network.h>
+
+#define CONNMAN_SERVICE			"net.connman"
+#define CONNMAN_PATH			"/net/connman"
+
+#define CONNMAN_MANAGER_INTERFACE	CONNMAN_SERVICE ".Manager"
+#define CONNMAN_MANAGER_PATH		"/"
+
+static DBusConnection *connection;
+static GHashTable *requests;
+static unsigned int id;
+
+struct pns_req {
+	int uid;
+	DBusPendingCall *pending;
+	ofono_private_network_cb_t cb;
+	void *data;
+	gboolean redundant;
+	char *path;
+};
+
+static void pns_release(int uid)
+{
+	DBusMessage *message = NULL;
+	struct pns_req *req;
+
+	DBG("");
+
+	req = g_hash_table_lookup(requests, &uid);
+	if (!req)
+		return;
+
+	if (req->pending) {
+		/*
+		* We want to cancel the request but we have to wait
+		* the response of ConnMan. So we mark request as
+		* redundant until we get the response, then we remove
+		* it from hash table.
+		*/
+		req->redundant = TRUE;
+		return;
+	}
+
+	message = dbus_message_new_method_call(CONNMAN_SERVICE,
+						CONNMAN_MANAGER_PATH,
+						CONNMAN_MANAGER_INTERFACE,
+						"ReleasePrivateNetwork");
+
+	if (message == NULL)
+		goto error;
+
+	dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &req->path,
+							DBUS_TYPE_INVALID);
+	dbus_message_set_no_reply(message, TRUE);
+	dbus_connection_send(connection, message, NULL);
+	dbus_message_unref(message);
+
+error:
+	g_hash_table_remove(requests, &req->uid);
+}
+
+static void request_reply(DBusPendingCall *call, void *user_data)
+{
+	struct pns_req *req = user_data;
+	struct ofono_private_network_settings pns;
+	DBusMessageIter array, dict, entry;
+	DBusMessage *reply;
+	const char *path;
+
+	DBG("");
+
+	pns.fd = -1;
+	pns.server_ip = NULL;
+	pns.peer_ip = NULL;
+	pns.primary_dns = NULL;
+	pns.secondary_dns = NULL;
+
+	req->pending = NULL;
+
+	reply = dbus_pending_call_steal_reply(call);
+	if (!reply)
+		goto error;
+
+	if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
+		goto error;
+
+	if (dbus_message_iter_init(reply, &array) == FALSE)
+		goto error;
+
+	if (dbus_message_iter_get_arg_type(&array) != DBUS_TYPE_OBJECT_PATH)
+		goto error;
+
+	dbus_message_iter_get_basic(&array, &path);
+
+	dbus_message_iter_next(&array);
+	if (dbus_message_iter_get_arg_type(&array) != DBUS_TYPE_ARRAY)
+		goto error;
+
+	if (req->redundant == TRUE)
+		goto release;
+
+	dbus_message_iter_recurse(&array, &dict);
+
+	while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
+		DBusMessageIter iter;
+		const char *key;
+		int type;
+
+		dbus_message_iter_recurse(&dict, &entry);
+
+		dbus_message_iter_get_basic(&entry, &key);
+
+		dbus_message_iter_next(&entry);
+		dbus_message_iter_recurse(&entry, &iter);
+
+		type = dbus_message_iter_get_arg_type(&iter);
+		if (type != DBUS_TYPE_STRING)
+			break;
+
+		if (g_str_equal(key, "ServerIPv4") &&
+				type == DBUS_TYPE_STRING)
+			dbus_message_iter_get_basic(&iter, &pns.server_ip);
+		else if (g_str_equal(key, "PeerIPv4") &&
+				type == DBUS_TYPE_STRING)
+			dbus_message_iter_get_basic(&iter, &pns.peer_ip);
+		else if (g_str_equal(key, "PrimaryDNS") &&
+				type == DBUS_TYPE_STRING)
+			dbus_message_iter_get_basic(&iter, &pns.primary_dns);
+		else if (g_str_equal(key, "SecondaryDNS") &&
+				type == DBUS_TYPE_STRING)
+			dbus_message_iter_get_basic(&iter, &pns.secondary_dns);
+
+		dbus_message_iter_next(&dict);
+	}
+
+	dbus_message_iter_next(&array);
+	if (dbus_message_iter_get_arg_type(&array) != DBUS_TYPE_UNIX_FD)
+		goto error;
+
+	dbus_message_iter_get_basic(&array, &pns.fd);
+	DBG("Fildescriptor = %d\n", pns.fd);
+
+	req->path = g_strdup(path);
+	DBG("Object path = %s\n", req->path);
+
+	if (pns.server_ip == NULL || pns.peer_ip == NULL ||
+			pns.primary_dns == NULL || pns.secondary_dns == NULL ||
+			pns.fd < 0) {
+		ofono_error("Error while reading dictionnary...\n");
+		goto release;
+	}
+
+	req->cb(&pns, req->data);
+
+	dbus_message_unref(reply);
+	dbus_pending_call_unref(call);
+
+	return;
+
+release:
+	pns_release(req->uid);
+error:
+	if (pns.fd >= 0)
+		close(pns.fd);
+
+	if (req->redundant == FALSE)
+		req->cb(NULL, req->data);
+
+	if (reply)
+		dbus_message_unref(reply);
+
+	dbus_pending_call_unref(call);
+}
+
+static int pns_request(ofono_private_network_cb_t cb, void *data)
+{
+	DBusMessage *message;
+	DBusPendingCall *call;
+	struct pns_req *req;
+
+	DBG("");
+
+	req = g_try_new(struct pns_req, 1);
+
+	if (req == NULL)
+		return -ENOMEM;
+
+	message = dbus_message_new_method_call(CONNMAN_SERVICE,
+						CONNMAN_MANAGER_PATH,
+						CONNMAN_MANAGER_INTERFACE,
+						"RequestPrivateNetwork");
+
+	if (message == NULL) {
+		g_free(req);
+		return -ENOMEM;
+	}
+
+	if (dbus_connection_send_with_reply(connection, message,
+						&call, 5000) == FALSE) {
+		g_free(req);
+		dbus_message_unref(message);
+		return -EIO;
+	}
+
+	id++;
+	req->pending = call;
+	req->cb = cb;
+	req->data = data;
+	req->uid = id;
+	req->redundant = FALSE;
+
+	dbus_pending_call_set_notify(call, request_reply, req, NULL);
+	g_hash_table_insert(requests, &req->uid, req);
+	dbus_message_unref(message);
+
+	return req->uid;
+}
+
+static struct ofono_private_network_driver pn_driver = {
+	.name		= "ConnMan Private Network",
+	.request	= pns_request,
+	.release	= pns_release,
+};
+
+static void remove_requests(gpointer user_data)
+{
+	struct pns_req *req = user_data;
+
+	g_free(req->path);
+	g_free(req);
+}
+
+static int connman_init(void)
+{
+	DBG("");
+
+	connection = ofono_dbus_get_connection();
+	requests = g_hash_table_new_full(g_int_hash, g_int_equal, NULL,
+						remove_requests);
+
+	return ofono_private_network_driver_register(&pn_driver);
+}
+
+static void connman_exit(void)
+{
+	g_hash_table_destroy(requests);
+	ofono_private_network_driver_unregister(&pn_driver);
+}
+
+OFONO_PLUGIN_DEFINE(connman, "ConnMan plugin", VERSION,
+		OFONO_PLUGIN_PRIORITY_DEFAULT, connman_init, connman_exit)