agent: Split agent code into generic and service specific parts

1 files changed, 627 insertions, 0 deletions

diff --git a/src/agent-connman.c b/src/agent-connman.c
new file mode 100644
index 00000000..9ccba72e
--- /dev/null
+++ b/src/agent-connman.c
@@ -0,0 +1,627 @@
+/*
+ *
+ *  Connection Manager
+ *
+ *  Copyright (C) 2012  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 <string.h>
+
+#include <gdbus.h>
+#include <connman/agent.h>
+#include <connman/setting.h>
+#include <connman/service.h>
+
+#include "connman.h"
+
+static connman_bool_t check_reply_has_dict(DBusMessage *reply)
+{
+	const char *signature = DBUS_TYPE_ARRAY_AS_STRING
+		DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
+		DBUS_TYPE_STRING_AS_STRING
+		DBUS_TYPE_VARIANT_AS_STRING
+		DBUS_DICT_ENTRY_END_CHAR_AS_STRING;
+
+	if (dbus_message_has_signature(reply, signature) == TRUE)
+		return TRUE;
+
+	connman_warn("Reply %s to %s from %s has wrong signature %s",
+			signature,
+			dbus_message_get_interface(reply),
+			dbus_message_get_sender(reply),
+			dbus_message_get_signature(reply));
+
+	return FALSE;
+}
+
+struct request_input_reply {
+	struct connman_service *service;
+	authentication_cb_t callback;
+	void *user_data;
+};
+
+static void request_input_passphrase_reply(DBusMessage *reply, void *user_data)
+{
+	struct request_input_reply *passphrase_reply = user_data;
+	connman_bool_t values_received = FALSE;
+	connman_bool_t wps = FALSE;
+	const char *error = NULL;
+	char *identity = NULL;
+	char *passphrase = NULL;
+	char *wpspin = NULL;
+	char *key;
+	char *name = NULL;
+	int name_len = 0;
+	DBusMessageIter iter, dict;
+
+	if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
+		error = dbus_message_get_error_name(reply);
+		goto done;
+	}
+
+	if (check_reply_has_dict(reply) == FALSE)
+		goto done;
+
+	values_received = TRUE;
+
+	dbus_message_iter_init(reply, &iter);
+	dbus_message_iter_recurse(&iter, &dict);
+	while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
+		DBusMessageIter entry, value;
+
+		dbus_message_iter_recurse(&dict, &entry);
+		if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
+			break;
+
+		dbus_message_iter_get_basic(&entry, &key);
+
+		if (g_str_equal(key, "Identity")) {
+			dbus_message_iter_next(&entry);
+			if (dbus_message_iter_get_arg_type(&entry)
+							!= DBUS_TYPE_VARIANT)
+				break;
+			dbus_message_iter_recurse(&entry, &value);
+			dbus_message_iter_get_basic(&value, &identity);
+
+		} else if (g_str_equal(key, "Passphrase")) {
+			dbus_message_iter_next(&entry);
+			if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_VARIANT)
+				break;
+			dbus_message_iter_recurse(&entry, &value);
+			dbus_message_iter_get_basic(&value, &passphrase);
+
+		} else if (g_str_equal(key, "WPS")) {
+			wps = TRUE;
+
+			dbus_message_iter_next(&entry);
+			if (dbus_message_iter_get_arg_type(&entry)
+							!= DBUS_TYPE_VARIANT)
+				break;
+			dbus_message_iter_recurse(&entry, &value);
+			dbus_message_iter_get_basic(&value, &wpspin);
+			break;
+		} else if (g_str_equal(key, "Name")) {
+			dbus_message_iter_next(&entry);
+			if (dbus_message_iter_get_arg_type(&entry)
+							!= DBUS_TYPE_VARIANT)
+				break;
+			dbus_message_iter_recurse(&entry, &value);
+			dbus_message_iter_get_basic(&value, &name);
+			name_len = strlen(name);
+		} else if (g_str_equal(key, "SSID")) {
+			dbus_message_iter_next(&entry);
+			if (dbus_message_iter_get_arg_type(&entry)
+							!= DBUS_TYPE_VARIANT)
+				break;
+			dbus_message_iter_recurse(&entry, &value);
+			if (dbus_message_iter_get_arg_type(&value)
+							!= DBUS_TYPE_VARIANT)
+				break;
+			if (dbus_message_iter_get_element_type(&value)
+							!= DBUS_TYPE_VARIANT)
+				break;
+			dbus_message_iter_get_fixed_array(&value, &name,
+							&name_len);
+		}
+		dbus_message_iter_next(&dict);
+	}
+
+done:
+	passphrase_reply->callback(passphrase_reply->service, values_received,
+				name, name_len,
+				identity, passphrase,
+				wps, wpspin, error,
+				passphrase_reply->user_data);
+	g_free(passphrase_reply);
+}
+
+static void request_input_append_alternates(DBusMessageIter *iter,
+							void *user_data)
+{
+	const char *str = user_data;
+	char **alternates, **alternative;
+
+	if (str == NULL)
+		return;
+
+	alternates = g_strsplit(str, ",", 0);
+	if (alternates == NULL)
+		return;
+
+	for (alternative = alternates; *alternative != NULL; alternative++)
+		dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING,
+								alternative);
+
+	g_strfreev(alternates);
+}
+
+static void request_input_append_identity(DBusMessageIter *iter,
+							void *user_data)
+{
+	char *str = "string";
+
+	connman_dbus_dict_append_basic(iter, "Type",
+				DBUS_TYPE_STRING, &str);
+	str = "mandatory";
+	connman_dbus_dict_append_basic(iter, "Requirement",
+				DBUS_TYPE_STRING, &str);
+}
+
+static void request_input_append_passphrase(DBusMessageIter *iter,
+							void *user_data)
+{
+	struct connman_service *service = user_data;
+	char *value;
+	const char *phase2;
+
+	switch (__connman_service_get_security(service)) {
+	case CONNMAN_SERVICE_SECURITY_WEP:
+		value = "wep";
+		break;
+	case CONNMAN_SERVICE_SECURITY_PSK:
+		value = "psk";
+		break;
+	case CONNMAN_SERVICE_SECURITY_8021X:
+		phase2 = __connman_service_get_phase2(service);
+
+		if (phase2 != NULL && (
+				g_str_has_suffix(phase2, "GTC") == TRUE ||
+				g_str_has_suffix(phase2, "OTP") == TRUE))
+			value = "response";
+		else
+			value = "passphrase";
+
+		break;
+	default:
+		value = "string";
+		break;
+	}
+	connman_dbus_dict_append_basic(iter, "Type",
+				DBUS_TYPE_STRING, &value);
+	value = "mandatory";
+	connman_dbus_dict_append_basic(iter, "Requirement",
+				DBUS_TYPE_STRING, &value);
+
+	if (__connman_service_wps_enabled(service) == TRUE) {
+		connman_dbus_dict_append_array(iter, "Alternates",
+					DBUS_TYPE_STRING,
+					request_input_append_alternates,
+					"WPS");
+	}
+}
+
+static void request_input_append_wps(DBusMessageIter *iter, void *user_data)
+{
+	const char *str = "wpspin";
+
+	connman_dbus_dict_append_basic(iter, "Type",
+				DBUS_TYPE_STRING, &str);
+	str = "alternate";
+	connman_dbus_dict_append_basic(iter, "Requirement",
+				DBUS_TYPE_STRING, &str);
+}
+
+static void request_input_append_name(DBusMessageIter *iter, void *user_data)
+{
+	const char *str = "string";
+
+	connman_dbus_dict_append_basic(iter, "Type",
+				DBUS_TYPE_STRING, &str);
+	str = "mandatory";
+	connman_dbus_dict_append_basic(iter, "Requirement",
+				DBUS_TYPE_STRING, &str);
+	connman_dbus_dict_append_array(iter, "Alternates",
+				DBUS_TYPE_STRING,
+				request_input_append_alternates,
+				"SSID");
+}
+
+static void request_input_append_ssid(DBusMessageIter *iter, void *user_data)
+{
+	const char *str = "ssid";
+
+	connman_dbus_dict_append_basic(iter, "Type",
+				DBUS_TYPE_STRING, &str);
+	str = "alternate";
+	connman_dbus_dict_append_basic(iter, "Requirement",
+				DBUS_TYPE_STRING, &str);
+}
+
+static void request_input_append_password(DBusMessageIter *iter,
+							void *user_data)
+{
+	char *str = "passphrase";
+
+	connman_dbus_dict_append_basic(iter, "Type",
+				DBUS_TYPE_STRING, &str);
+	str = "mandatory";
+	connman_dbus_dict_append_basic(iter, "Requirement",
+				DBUS_TYPE_STRING, &str);
+}
+
+struct previous_passphrase_data {
+	const char *passphrase;
+	const char *type;
+};
+
+static void request_input_append_previouspassphrase(DBusMessageIter *iter,
+							void *user_data)
+{
+	struct previous_passphrase_data *data = user_data;
+	const char *requirement = "informational";
+
+	connman_dbus_dict_append_basic(iter, "Type",
+				DBUS_TYPE_STRING, &data->type);
+
+	connman_dbus_dict_append_basic(iter, "Requirement",
+				DBUS_TYPE_STRING, &requirement);
+
+	connman_dbus_dict_append_basic(iter, "Value",
+				DBUS_TYPE_STRING, &data->passphrase);
+}
+
+static void previous_passphrase_handler(DBusMessageIter *iter,
+					struct connman_service *service)
+{
+	enum connman_service_security security;
+	struct previous_passphrase_data data;
+	struct connman_network *network;
+
+	network = __connman_service_get_network(service);
+	data.passphrase = connman_network_get_string(network, "WiFi.PinWPS");
+
+	if (connman_network_get_bool(network, "WiFi.UseWPS") == TRUE &&
+						data.passphrase != NULL) {
+		data.type = "wpspin";
+	} else {
+		data.passphrase = __connman_service_get_passphrase(service);
+		if (data.passphrase == NULL)
+			return;
+
+		security = __connman_service_get_security(service);
+		switch (security) {
+		case CONNMAN_SERVICE_SECURITY_WEP:
+			data.type = "wep";
+			break;
+		case CONNMAN_SERVICE_SECURITY_PSK:
+			data.type  = "psk";
+			break;
+		/*
+		 * This should never happen: no passphrase is set if security
+		 * is not one of the above. */
+		default:
+			break;
+		}
+	}
+
+	connman_dbus_dict_append_dict(iter, "PreviousPassphrase",
+			request_input_append_previouspassphrase, &data);
+}
+
+static void request_input_login_reply(DBusMessage *reply, void *user_data)
+{
+	struct request_input_reply *username_password_reply = user_data;
+	const char *error = NULL;
+	connman_bool_t values_received = FALSE;
+	char *username = NULL;
+	char *password = NULL;
+	char *key;
+	DBusMessageIter iter, dict;
+
+	if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
+		error = dbus_message_get_error_name(reply);
+		goto done;
+	}
+
+	if (check_reply_has_dict(reply) == FALSE)
+		goto done;
+
+	values_received = TRUE;
+
+	dbus_message_iter_init(reply, &iter);
+	dbus_message_iter_recurse(&iter, &dict);
+	while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
+		DBusMessageIter entry, value;
+
+		dbus_message_iter_recurse(&dict, &entry);
+		if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
+			break;
+
+		dbus_message_iter_get_basic(&entry, &key);
+
+		if (g_str_equal(key, "Username")) {
+			dbus_message_iter_next(&entry);
+			if (dbus_message_iter_get_arg_type(&entry)
+							!= DBUS_TYPE_VARIANT)
+				break;
+			dbus_message_iter_recurse(&entry, &value);
+			dbus_message_iter_get_basic(&value, &username);
+
+		} else if (g_str_equal(key, "Password")) {
+			dbus_message_iter_next(&entry);
+			if (dbus_message_iter_get_arg_type(&entry) !=
+							DBUS_TYPE_VARIANT)
+				break;
+			dbus_message_iter_recurse(&entry, &value);
+			dbus_message_iter_get_basic(&value, &password);
+		}
+
+		dbus_message_iter_next(&dict);
+	}
+
+done:
+	username_password_reply->callback(username_password_reply->service,
+					values_received, NULL, 0,
+					username, password,
+					FALSE, NULL, error,
+					username_password_reply->user_data);
+	g_free(username_password_reply);
+}
+
+int __connman_agent_request_passphrase_input(struct connman_service *service,
+				authentication_cb_t callback, void *user_data)
+{
+	DBusMessage *message;
+	const char *path, *agent_sender, *agent_path;
+	DBusMessageIter iter;
+	DBusMessageIter dict;
+	struct request_input_reply *passphrase_reply;
+	int err;
+
+	connman_agent_get_info(&agent_sender, &agent_path);
+
+	if (service == NULL || agent_path == NULL || callback == NULL)
+		return -ESRCH;
+
+	message = dbus_message_new_method_call(agent_sender, agent_path,
+					CONNMAN_AGENT_INTERFACE,
+					"RequestInput");
+	if (message == NULL)
+		return -ENOMEM;
+
+	dbus_message_iter_init_append(message, &iter);
+
+	path = __connman_service_get_path(service);
+	dbus_message_iter_append_basic(&iter,
+				DBUS_TYPE_OBJECT_PATH, &path);
+
+	connman_dbus_dict_open(&iter, &dict);
+
+	if (__connman_service_is_hidden(service)) {
+		connman_dbus_dict_append_dict(&dict, "Name",
+					request_input_append_name, NULL);
+		connman_dbus_dict_append_dict(&dict, "SSID",
+					request_input_append_ssid, NULL);
+	}
+
+	if (__connman_service_get_security(service) ==
+			CONNMAN_SERVICE_SECURITY_8021X) {
+		connman_dbus_dict_append_dict(&dict, "Identity",
+					request_input_append_identity, service);
+	}
+
+	if (__connman_service_get_security(service) !=
+			CONNMAN_SERVICE_SECURITY_NONE) {
+		connman_dbus_dict_append_dict(&dict, "Passphrase",
+					request_input_append_passphrase, service);
+
+		previous_passphrase_handler(&dict, service);
+	}
+
+	if (__connman_service_wps_enabled(service) == TRUE) {
+	    connman_dbus_dict_append_dict(&dict, "WPS",
+				request_input_append_wps, NULL);
+	}
+
+	connman_dbus_dict_close(&iter, &dict);
+
+	passphrase_reply = g_try_new0(struct request_input_reply, 1);
+	if (passphrase_reply == NULL) {
+		dbus_message_unref(message);
+		return -ENOMEM;
+	}
+
+	passphrase_reply->service = service;
+	passphrase_reply->callback = callback;
+	passphrase_reply->user_data = user_data;
+
+	err = connman_agent_queue_message(service, message,
+			connman_timeout_input_request(),
+			request_input_passphrase_reply,
+			passphrase_reply);
+
+	if (err < 0 && err != -EBUSY) {
+		DBG("error %d sending agent message", err);
+		dbus_message_unref(message);
+		g_free(passphrase_reply);
+		return err;
+	}
+
+	dbus_message_unref(message);
+
+	return -EINPROGRESS;
+}
+
+int __connman_agent_request_login_input(struct connman_service *service,
+				authentication_cb_t callback, void *user_data)
+{
+	DBusMessage *message;
+	const char *path, *agent_sender, *agent_path;
+	DBusMessageIter iter;
+	DBusMessageIter dict;
+	struct request_input_reply *username_password_reply;
+	int err;
+
+	connman_agent_get_info(&agent_sender, &agent_path);
+
+	if (service == NULL || agent_path == NULL || callback == NULL)
+		return -ESRCH;
+
+	message = dbus_message_new_method_call(agent_sender, agent_path,
+					CONNMAN_AGENT_INTERFACE,
+					"RequestInput");
+	if (message == NULL)
+		return -ENOMEM;
+
+	dbus_message_iter_init_append(message, &iter);
+
+	path = __connman_service_get_path(service);
+	dbus_message_iter_append_basic(&iter,
+				DBUS_TYPE_OBJECT_PATH, &path);
+
+	connman_dbus_dict_open(&iter, &dict);
+
+	connman_dbus_dict_append_dict(&dict, "Username",
+				request_input_append_identity, service);
+
+	connman_dbus_dict_append_dict(&dict, "Password",
+				request_input_append_password, service);
+
+	connman_dbus_dict_close(&iter, &dict);
+
+	username_password_reply = g_try_new0(struct request_input_reply, 1);
+	if (username_password_reply == NULL) {
+		dbus_message_unref(message);
+		return -ENOMEM;
+	}
+
+	username_password_reply->service = service;
+	username_password_reply->callback = callback;
+	username_password_reply->user_data = user_data;
+
+	err = connman_agent_queue_message(service, message,
+			connman_timeout_input_request(),
+			request_input_login_reply, username_password_reply);
+	if (err < 0 && err != -EBUSY) {
+		DBG("error %d sending agent request", err);
+		dbus_message_unref(message);
+		g_free(username_password_reply);
+		return err;
+	}
+
+	dbus_message_unref(message);
+
+	return -EINPROGRESS;
+}
+
+struct request_browser_reply_data {
+	struct connman_service *service;
+	browser_authentication_cb_t callback;
+	void *user_data;
+};
+
+static void request_browser_reply(DBusMessage *reply, void *user_data)
+{
+	struct request_browser_reply_data *browser_reply_data = user_data;
+	connman_bool_t result = FALSE;
+	const char *error = NULL;
+
+	if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
+		error = dbus_message_get_error_name(reply);
+		goto done;
+	}
+
+	result = TRUE;
+
+done:
+	browser_reply_data->callback(browser_reply_data->service, result,
+					error, browser_reply_data->user_data);
+	g_free(browser_reply_data);
+}
+
+int __connman_agent_request_browser(struct connman_service *service,
+				browser_authentication_cb_t callback,
+				const char *url, void *user_data)
+{
+	struct request_browser_reply_data *browser_reply_data;
+	DBusMessage *message;
+	DBusMessageIter iter;
+	const char *path, *agent_sender, *agent_path;
+	int err;
+
+	connman_agent_get_info(&agent_sender, &agent_path);
+
+	if (service == NULL || agent_path == NULL || callback == NULL)
+		return -ESRCH;
+
+	if (url == NULL)
+		url = "";
+
+	message = dbus_message_new_method_call(agent_sender, agent_path,
+					CONNMAN_AGENT_INTERFACE,
+					"RequestBrowser");
+	if (message == NULL)
+		return -ENOMEM;
+
+	dbus_message_iter_init_append(message, &iter);
+
+	path = __connman_service_get_path(service);
+	dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH, &path);
+
+	dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &url);
+
+	browser_reply_data = g_try_new0(struct request_browser_reply_data, 1);
+	if (browser_reply_data == NULL) {
+		dbus_message_unref(message);
+		return -ENOMEM;
+	}
+
+	browser_reply_data->service = service;
+	browser_reply_data->callback = callback;
+	browser_reply_data->user_data = user_data;
+
+	err = connman_agent_queue_message(service, message,
+				connman_timeout_browser_launch(),
+				request_browser_reply, browser_reply_data);
+
+	if (err < 0 && err != -EBUSY) {
+		DBG("error %d sending browser request", err);
+		dbus_message_unref(message);
+		g_free(browser_reply_data);
+		return err;
+	}
+
+	dbus_message_unref(message);
+
+	return -EINPROGRESS;
+}