/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

/*

 * Copyright (C) 2003-2006 Imendio AB

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public License as

 * published by the Free Software Foundation; either version 2 of the

 * License, or (at your option) any later version.

 *

 * 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this program; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

#include <config.h>

#include <string.h>

#include <stdlib.h>

#include <glib.h>

#include <loudmouth/loudmouth.h>

static GMainLoop *main_loop = NULL;

static gboolean   test_success = FALSE;

static gchar      expected_fingerprint[20];

static gchar     *server = NULL;

static gint       port = 5222;

static gchar     *username = NULL;

static gchar     *password = NULL;

static gchar     *resource = "test-lm";

static gchar     *fingerprint = NULL;

static GOptionEntry entries[] = 

{

  { "server", 's', 0, G_OPTION_ARG_STRING, &server, 

    "Server to connect to", NULL },

  { "port", 'P', 0, G_OPTION_ARG_INT, &port, 

    "Port to connect to [default=5222]", NULL },

  { "username", 'u', 0, G_OPTION_ARG_STRING, &username, 

    "Username to connect with (e.g. 'user' in user@server.org)", NULL },

  { "password", 'p', 0, G_OPTION_ARG_STRING, &password, 

    "Password to try", NULL },

  { "resource", 'r', 0, G_OPTION_ARG_STRING, &resource, 

    "Resource connect with [default=test-lm]", NULL },

  { "fingerprint", 'f', 0, G_OPTION_ARG_STRING, &fingerprint, 

    "SSL Fingerprint to use", NULL },

  { NULL }

};

static gchar *

get_part_name (const gchar *username)

{

	const gchar *ch;

	g_return_val_if_fail (username != NULL, NULL);

	ch = strchr (username, '@');

	if (!ch) {

		return NULL;

	}

	return g_strndup (username, ch - username);

}

static void

print_finger (const char   *fpr,

	      unsigned int  size)

{

	gint i;

	for (i = 0; i < size-1; i++) {

		g_printerr ("%02X:", fpr[i]);

	}

	g_printerr ("%02X", fpr[size-1]);

}

static LmSSLResponse

ssl_cb (LmSSL       *ssl, 

	LmSSLStatus  status, 

	gpointer     ud)

{

	g_print ("TestLM: SSL status:%d\n", status);

	switch (status) {

	case LM_SSL_STATUS_NO_CERT_FOUND:

		g_printerr ("TestLM: No certificate found!\n");

		break;

	case LM_SSL_STATUS_UNTRUSTED_CERT:

		g_printerr ("TestLM: Certificate is not trusted!\n"); 

		break;

	case LM_SSL_STATUS_CERT_EXPIRED:

		g_printerr ("TestLM: Certificate has expired!\n"); 

		break;

	case LM_SSL_STATUS_CERT_NOT_ACTIVATED:

		g_printerr ("TestLM: Certificate has not been activated!\n"); 

		break;

	case LM_SSL_STATUS_CERT_HOSTNAME_MISMATCH:

		g_printerr ("TestLM: Certificate hostname does not match expected hostname!\n"); 

		break;

	case LM_SSL_STATUS_CERT_FINGERPRINT_MISMATCH: {

		const char *fpr = lm_ssl_get_fingerprint (ssl);

		g_printerr ("TestLM: Certificate fingerprint does not match expected fingerprint!\n"); 

		g_printerr ("TestLM: Remote fingerprint: ");

		print_finger (fpr, 16);

		g_printerr ("\n"

			    "TestLM: Expected fingerprint: ");

		print_finger (expected_fingerprint, 16);

		g_printerr ("\n");

		break;

	}

	case LM_SSL_STATUS_GENERIC_ERROR:

		g_printerr ("TestLM: Generic SSL error!\n"); 

		break;

	}

	return LM_SSL_RESPONSE_CONTINUE;

}

static void

connection_auth_cb (LmConnection *connection,

		    gboolean      success, 

		    gpointer      user_data)

{

	if (success) {

		LmMessage *m;

		test_success = TRUE;

		g_print ("TestLM: Authenticated successfully\n");

		m = lm_message_new_with_sub_type (NULL,

						  LM_MESSAGE_TYPE_PRESENCE,

						  LM_MESSAGE_SUB_TYPE_AVAILABLE);

		lm_connection_send (connection, m, NULL);

		g_print ("TestLM: Sent presence message:'%s'\n", 

			 lm_message_node_to_string (m->node));

		lm_message_unref (m);

	} else {

		g_printerr ("TestLM: Failed to authenticate\n");

		g_main_loop_quit (main_loop);

	}

}

static void

connection_open_cb (LmConnection *connection, 

		    gboolean      success,

		    gpointer      user_data)

{

	if (success) {

		gchar *user;

		user = get_part_name (username);

		lm_connection_authenticate (connection, user, 

					    password, resource,

					    connection_auth_cb, 

					    NULL, FALSE,  NULL);

		g_free (user);

		g_print ("TestLM: Sent authentication message\n");

	} else {

		g_printerr ("TestLM: Failed to connect\n");

		g_main_loop_quit (main_loop);

	}

}

static void

connection_close_cb (LmConnection       *connection, 

		     LmDisconnectReason  reason,

		     gpointer            user_data)

{

	const char *str;

	switch (reason) {

	case LM_DISCONNECT_REASON_OK:

		str = "LM_DISCONNECT_REASON_OK";

		break;

	case LM_DISCONNECT_REASON_PING_TIME_OUT:

		str = "LM_DISCONNECT_REASON_PING_TIME_OUT";

		break;

	case LM_DISCONNECT_REASON_HUP:

		str = "LM_DISCONNECT_REASON_HUP";

		break;

	case LM_DISCONNECT_REASON_ERROR:

		str = "LM_DISCONNECT_REASON_ERROR";

		break;

	case LM_DISCONNECT_REASON_UNKNOWN:

	default:

		str = "LM_DISCONNECT_REASON_UNKNOWN";

		break;

	}

	g_print ("TestLM: Disconnected, reason:%d->'%s'\n", reason, str);

}

static LmHandlerResult

handle_messages (LmMessageHandler *handler,

		 LmConnection     *connection,

		 LmMessage        *m,

		 gpointer          user_data)

{

	g_print ("TestLM: Incoming message from: %s\n",

		 lm_message_node_get_attribute (m->node, "from"));

	return LM_HANDLER_RESULT_REMOVE_MESSAGE;

}

int 

main (int argc, char **argv)

{

	GOptionContext   *context;

	LmConnection     *connection;

	LmMessageHandler *handler;

	gboolean          result;

	GError           *error = NULL;

	context = g_option_context_new ("- test Loudmouth");

	g_option_context_add_main_entries (context, entries, NULL);

	g_option_context_parse (context, &argc, &argv, NULL);

	g_option_context_free (context);

	if (!server || !username || !password) {

		g_printerr ("For usage, try %s --help\n", argv[0]);

		return EXIT_FAILURE;

	}

	if (fingerprint && !lm_ssl_is_supported ()) {

		g_printerr ("TestLM: SSL is not supported in this build\n");

		return EXIT_FAILURE;

	}

	if (username && strchr (username, '@') == NULL) {

		g_printerr ("TestLM: Username must have an '@' included\n");

		return EXIT_FAILURE;

	}

        connection = lm_connection_new (server);

	lm_connection_set_port (connection, port);

	lm_connection_set_jid (connection, username);

	handler = lm_message_handler_new (handle_messages, NULL, NULL);

	lm_connection_register_message_handler (connection, handler, 

						LM_MESSAGE_TYPE_MESSAGE, 

						LM_HANDLER_PRIORITY_NORMAL);

	lm_message_handler_unref (handler);

	lm_connection_set_disconnect_function (connection,

					       connection_close_cb,

					       NULL, NULL);

	if (fingerprint) {

		LmSSL *ssl;

		char  *p;

		int    i;

		if (port == LM_CONNECTION_DEFAULT_PORT) {

			lm_connection_set_port (connection,

						LM_CONNECTION_DEFAULT_PORT_SSL);

		}

		for (i = 0, p = fingerprint; *p && *(p+1); i++, p += 3) {

			expected_fingerprint[i] = (unsigned char) g_ascii_strtoull (p, NULL, 16);

		}

		ssl = lm_ssl_new (expected_fingerprint,

				  (LmSSLFunction) ssl_cb,

				  NULL, NULL);

		lm_connection_set_ssl (connection, ssl);

		lm_ssl_unref (ssl);

	}

	result = lm_connection_open (connection,

				     (LmResultFunction) connection_open_cb,

				     NULL, NULL, &error);

	if (!result) {

		g_printerr ("TestLM: Opening connection failed, error:%d->'%s'\n", 

			 error->code, error->message);

		g_free (error);

		return EXIT_FAILURE;

	}

	main_loop = g_main_loop_new (NULL, FALSE);

	g_main_loop_run (main_loop);

	return (test_success ? EXIT_SUCCESS : EXIT_FAILURE);

}