src/protocols/msn/notification.c

/**
 * @file notification.c Notification server functions
 *
 * gaim
 *
 * Copyright (C) 2003 Christian Hammond <chipx86@gnupdate.org>
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU 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 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#include "msn.h"
#include "notification.h"
#include "state.h"
#include "error.h"
#include "utils.h"

typedef struct
{
	GaimConnection *gc;
	MsnUser *user;

} MsnPermitAdd;

static GHashTable *notification_commands  = NULL;
static GHashTable *notification_msg_types = NULL;

/**************************************************************************
 * Utility functions
 **************************************************************************/
static gboolean
add_buddy(MsnServConn *servconn, MsnUser *user)
{
	MsnSession *session = servconn->session;
	GaimConnection *gc = session->account->gc;
	struct buddy *b;
	MsnGroup *group = NULL;
	struct group *g = NULL;
	int group_id;

	group_id = msn_user_get_group_id(user);

	if (group_id > -1)
		group = msn_groups_find_with_id(session->groups, group_id);

	if (group == NULL) {
		GList *l;
		gaim_debug(GAIM_DEBUG_WARNING, "msn",
				   "Group ID %d for user %s was not defined.\n",
				   group_id, msn_user_get_passport(user));

		/* Find a group that we can stick this guy into. Lamer. */
		l = msn_groups_get_list(session->groups);

		if (l != NULL) {
			group = l->data;

			msn_user_set_group_id(user, msn_group_get_id(group));
		}
	}

	if (group == NULL ||
		(g = gaim_find_group(msn_group_get_name(group))) == NULL) {

		gaim_debug(GAIM_DEBUG_ERROR, "msn",
				   "Group '%s' appears in server-side "
				   "buddy list, but not here!",
				   msn_group_get_name(group));
	}

	if (group != NULL)
		msn_group_add_user(group, user);

	if (g == NULL) {
		/* Should never happen. */

		if ((g = gaim_find_group(_("Buddies"))) == NULL) {
			g = gaim_group_new(_("Buddies"));
			gaim_blist_add_group(g, NULL);
		}
	}

	b = gaim_find_buddy(gc->account, msn_user_get_passport(user));

	if (b == NULL) {
		b = gaim_buddy_new(gc->account,
						   msn_user_get_passport(user), NULL);

		gaim_blist_add_buddy(b, g, NULL);
	}

	b->proto_data = user;

	serv_got_alias(gc, (char *)msn_user_get_passport(user),
				   (char *)msn_user_get_name(user));

	return TRUE;
}


/**************************************************************************
 * Callbacks
 **************************************************************************/
static void
msn_accept_add_cb(MsnPermitAdd *pa)
{
	if (g_list_find(gaim_connections_get_all(), pa->gc) != NULL) {
		MsnSession *session = pa->gc->proto_data;
		char outparams[MSN_BUF_LEN];

		g_snprintf(outparams, sizeof(outparams), "AL %s %s",
				   msn_user_get_passport(pa->user),
				   msn_url_encode(msn_user_get_name(pa->user)));

		if (msn_servconn_send_command(session->notification_conn,
									  "ADD", outparams) <= 0) {
			gaim_connection_error(pa->gc, _("Write error"));
			return;
		}

		gaim_privacy_permit_add(pa->gc->account,
								msn_user_get_passport(pa->user));
		build_allow_list();

		show_got_added(pa->gc, NULL, msn_user_get_passport(pa->user),
					   msn_user_get_name(pa->user), NULL);
	}

	msn_user_destroy(pa->user);
	g_free(pa);
}

static void
msn_cancel_add_cb(MsnPermitAdd *pa)
{
	if (g_list_find(gaim_connections_get_all(), pa->gc) != NULL) {
		MsnSession *session = pa->gc->proto_data;
		char outparams[MSN_BUF_LEN];

		g_snprintf(outparams, sizeof(outparams), "BL %s %s",
				   msn_user_get_passport(pa->user),
				   msn_url_encode(msn_user_get_name(pa->user)));

		if (msn_servconn_send_command(session->notification_conn,
									  "ADD", outparams) <= 0) {
			gaim_connection_error(pa->gc, _("Write error"));
			return;
		}

		gaim_privacy_deny_add(pa->gc->account,
							  msn_user_get_passport(pa->user));
		build_block_list();
	}

	msn_user_destroy(pa->user);
	g_free(pa);
}

/**************************************************************************
 * Catch-all commands
 **************************************************************************/
static gboolean
blank_cmd(MsnServConn *servconn, const char *command, const char **params,
		  size_t param_count)
{
	return TRUE;
}

static gboolean
unknown_cmd(MsnServConn *servconn, const char *command, const char **params,
			size_t param_count)
{
	char buf[MSN_BUF_LEN];

	if (isdigit(*command)) {
		int errnum = atoi(command);

		if (errnum == 225) {
			/*
			 * Ignore this. It happens as a result of moving a buddy from
			 * one group that isn't on the server to another that is.
			 * The user doesn't care if the old group was there or not.
			 */
			return TRUE;
		}

		g_snprintf(buf, sizeof(buf), "MSN Error: %s\n",
				   msn_error_get_text(errnum));
	}
	else {
		g_snprintf(buf, sizeof(buf), "MSN Error: Unable to parse message\n");
	}

	gaim_notify_error(servconn->session->account->gc, NULL, buf, NULL);

	return TRUE;
}


/**************************************************************************
 * Login
 **************************************************************************/
static gboolean
ver_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	GaimConnection *gc = servconn->session->account->gc;
	size_t i;
	gboolean msnp5_found = FALSE;

	for (i = 1; i < param_count; i++) {
		if (!strcmp(params[i], "MSNP5")) {
			msnp5_found = TRUE;
			break;
		}
	}

	if (!msnp5_found) {
		gaim_connection_error(gc, _("Protocol not supported"));

		return FALSE;
	}

	if (!msn_servconn_send_command(servconn, "INF", NULL)) {
		gaim_connection_error(gc, _("Unable to request INF"));

		return FALSE;
	}

	return TRUE;
}

static gboolean
inf_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	GaimAccount *account = servconn->session->account;
	GaimConnection *gc = gaim_account_get_connection(account);
	char outparams[MSN_BUF_LEN];

	if (strcmp(params[1], "MD5")) {
		gaim_connection_error(gc, _("Unable to login using MD5"));

		return FALSE;
	}

	g_snprintf(outparams, sizeof(outparams), "MD5 I %s",
			   gaim_account_get_username(account));

	if (!msn_servconn_send_command(servconn, "USR", outparams)) {
		gaim_connection_error(gc, _("Unable to send USR"));

		return FALSE;
	}

	gaim_connection_update_progress(gc, _("Requesting to send password"),
									5, MSN_CONNECT_STEPS);

	return TRUE;
}

static gboolean
usr_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	MsnSession *session = servconn->session;
	GaimAccount *account = session->account;
	GaimConnection *gc = gaim_account_get_connection(account);
	char outparams[MSN_BUF_LEN];

	/* We're either getting the challenge or the OK. Let's find out. */
	if (!g_ascii_strcasecmp(params[1], "OK")) {
		const char *friendly = msn_url_decode(params[3]);

		/* OK */

		gaim_connection_set_display_name(gc, friendly);

		session->syncing_lists = TRUE;

		if (!msn_servconn_send_command(servconn, "SYN", "0")) {
			gaim_connection_error(gc, _("Unable to write"));

			return FALSE;
		}

		gaim_connection_update_progress(gc, _("Retrieving buddy list"),
										7, MSN_CONNECT_STEPS);
	}
	else {
		/* Challenge */
		const char *challenge = params[3];
		char buf[MSN_BUF_LEN];
		md5_state_t st;
		md5_byte_t di[16];
		int i;

		g_snprintf(buf, sizeof(buf), "%s%s", challenge,
				   gaim_account_get_password(account));

		md5_init(&st);
		md5_append(&st, (const md5_byte_t *)buf, strlen(buf));
		md5_finish(&st, di);

		g_snprintf(outparams, sizeof(outparams), "MD5 S ");

		for (i = 0; i < 16; i++) {
			g_snprintf(buf, sizeof(buf), "%02x", di[i]);
			strcat(outparams, buf);
		}

		if (!msn_servconn_send_command(servconn, "USR", outparams)) {
			gaim_connection_error(gc, _("Unable to send password"));

			return FALSE;
		}

		gaim_connection_update_progress(gc, _("Password sent"),
										6, MSN_CONNECT_STEPS);
	}

	return TRUE;
}

/**************************************************************************
 * Log out
 **************************************************************************/
static gboolean
out_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	GaimConnection *gc = servconn->session->account->gc;

	if (!g_ascii_strcasecmp(params[0], "OTH")) {
		gaim_connection_error(gc,
							_("You have been disconnected. You have "
							  "signed on from another location."));
	}
	else if (!g_ascii_strcasecmp(params[0], "SSD")) {
		gaim_connection_error(gc,
							_("You have been disconnected. The MSN servers "
							  "are going down temporarily."));
	}

	return FALSE;
}

/**************************************************************************
 * Messages
 **************************************************************************/
static gboolean
msg_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	gaim_debug(GAIM_DEBUG_INFO, "msn", "Found message. Parsing.\n");

	servconn->parsing_msg = TRUE;
	servconn->msg_passport = g_strdup(params[0]);
	servconn->msg_friendly = g_strdup(params[1]);
	servconn->msg_len      = atoi(params[2]);

	return TRUE;
}

/**************************************************************************
 * Challenges
 **************************************************************************/
static gboolean
chl_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	GaimConnection *gc = servconn->session->account->gc;
	char buf[MSN_BUF_LEN];
	char buf2[3];
	md5_state_t st;
	md5_byte_t di[16];
	int i;

	md5_init(&st);
	md5_append(&st, (const md5_byte_t *)params[1], strlen(params[1]));
	md5_append(&st, (const md5_byte_t *)"Q1P7W2E4J9R8U3S5",
			   strlen("Q1P7W2E4J9R8U3S5"));
	md5_finish(&st, di);

	g_snprintf(buf, sizeof(buf),
			   "QRY %u msmsgs@msnmsgr.com 32\r\n",
			   servconn->session->trId++);

	for (i = 0; i < 16; i++) {
		g_snprintf(buf2, sizeof(buf2), "%02x", di[i]);
		strcat(buf, buf2);
	}

	if (msn_servconn_write(servconn, buf, strlen(buf)) <= 0) {
		gaim_connection_error(gc, _("Unable to write to server"));
	}

	return TRUE;
}

/**************************************************************************
 * Buddy Lists
 **************************************************************************/
static gboolean
add_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	MsnSession *session = servconn->session;
	MsnUser *user;
	GaimAccount *account = session->account;
	GaimConnection *gc = gaim_account_get_connection(account);
	MsnPermitAdd *pa;
	GSList *sl;
	const char *list, *passport, *group_id = NULL;
	char *friend;
	char msg[MSN_BUF_LEN];

	list     = params[1];
	passport = params[3];
	friend   = msn_url_decode(params[4]);

	if (param_count >= 6)
		group_id = params[5];

	if (!g_ascii_strcasecmp(list, "FL")) {
		user = msn_user_new(session, passport, NULL);

		if (group_id != NULL)
			msn_user_set_group_id(user, atoi(group_id));

		add_buddy(servconn, user);

		return TRUE;
	}
	else if (g_ascii_strcasecmp(list, "RL"))
		return TRUE;

	for (sl = gc->account->permit; sl != NULL; sl = sl->next) {
		if (!gaim_utf8_strcasecmp(sl->data, passport))
			return TRUE;
	}

	user = msn_user_new(session, passport, friend);

	pa       = g_new0(MsnPermitAdd, 1);
	pa->user = user;
	pa->gc   = gc;

	g_snprintf(msg, sizeof(msg),
			   _("The user %s (%s) wants to add %s to his or her buddy list."),
			   passport, friend, gaim_account_get_username(account));

	gaim_request_action(gc, NULL, msg, NULL, 0, pa, 2,
						_("Authorize"), G_CALLBACK(msn_accept_add_cb),
						_("Deny"), G_CALLBACK(msn_cancel_add_cb));

	return TRUE;
}

static gboolean
adg_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	MsnGroup *group;
	MsnSession *session = servconn->session;
	gint group_id;
	char *group_name;

	group_id = atoi(params[3]);

	group_name = msn_url_decode(params[2]);

	group = msn_group_new(session, group_id, group_name);

	msn_groups_add(session->groups, group);

	return TRUE;
}

static gboolean
blp_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	GaimConnection *gc = servconn->session->account->gc;

	if (!g_ascii_strcasecmp(params[2], "AL")) {
		/*
		 * If the current setting is AL, messages from users who
		 * are not in BL will be delivered.
		 *
		 * In other words, deny some.
		 */
		gc->account->perm_deny = DENY_SOME;
	}
	else {
		/* If the current setting is BL, only messages from people
		 * who are in the AL will be delivered.
		 *
		 * In other words, permit some.
		 */
		gc->account->perm_deny = PERMIT_SOME;
	}

	return TRUE;
}

static gboolean
bpr_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	MsnSession *session = servconn->session;
	GaimConnection *gc = session->account->gc;
	const char *passport, *type, *value;
	struct buddy *b;
	MsnUser *user;

	passport = params[1];
	type     = params[2];
	value    = params[3];

	user = msn_users_find_with_passport(session->users, passport);

	if (value != NULL) {
		if (!strcmp(type, "MOB")) {
			if (!strcmp(value, "Y")) {
				user->mobile = TRUE;

				if ((b = gaim_find_buddy(gc->account, passport)) != NULL) {
					if (GAIM_BUDDY_IS_ONLINE(b)) {
						serv_got_update(gc, (char *)passport,
										1, 0, 0, 0, b->uc);
					}
				}
			}
		}
		else if (!strcmp(type, "PHH"))
			msn_user_set_home_phone(user, msn_url_decode(value));
		else if (!strcmp(type, "PHW"))
			msn_user_set_work_phone(user, msn_url_decode(value));
		else if (!strcmp(type, "PHM"))
			msn_user_set_mobile_phone(user, msn_url_decode(value));
	}

	return TRUE;
}

static gboolean
fln_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	GaimConnection *gc = servconn->session->account->gc;

	serv_got_update(gc, (char *)params[0], 0, 0, 0, 0, 0);

	return TRUE;
}

static gboolean
iln_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	GaimConnection *gc = servconn->session->account->gc;
	int status = 0;
	const char *state, *passport, *friend;
	struct buddy *b;

	state    = params[1];
	passport = params[2];
	friend   = msn_url_decode(params[3]);

	serv_got_alias(gc, (char *)passport, (char *)friend);

	if ((b = gaim_find_buddy(gc->account, passport)) != NULL)
		status |= ((((b->uc) >> 1) & 0xF0) << 1);

	if (!g_ascii_strcasecmp(state, "BSY"))
		status |= UC_UNAVAILABLE | (MSN_BUSY << 1);
	else if (!g_ascii_strcasecmp(state, "IDL"))
		status |= UC_UNAVAILABLE | (MSN_IDLE << 1);
	else if (!g_ascii_strcasecmp(state, "BRB"))
		status |= UC_UNAVAILABLE | (MSN_BRB << 1);
	else if (!g_ascii_strcasecmp(state, "AWY"))
		status |= UC_UNAVAILABLE | (MSN_AWAY << 1);
	else if (!g_ascii_strcasecmp(state, "PHN"))
		status |= UC_UNAVAILABLE | (MSN_PHONE << 1);
	else if (!g_ascii_strcasecmp(state, "LUN"))
		status |= UC_UNAVAILABLE | (MSN_LUNCH << 1);

	serv_got_update(gc, (char *)passport, 1, 0, 0, 0, status);

	return TRUE;
}

static gboolean
ipg_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	GaimConnection *gc = servconn->session->account->gc;

	servconn->parsing_msg  = TRUE;
	servconn->msg_passport = NULL;
	servconn->msg_friendly = NULL;
	servconn->msg_len      = atoi(params[0]);

	return TRUE;
}

static gboolean
lsg_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	MsnSession *session = servconn->session;
	MsnGroup *group;
	struct group *g;
	const char *name;
	int group_num, num_groups, group_id;

	group_num  = atoi(params[2]);
	num_groups = atoi(params[3]);
	group_id   = atoi(params[4]);
	name       = msn_url_decode(params[5]);

	if (num_groups == 0)
		return TRUE;

	if (!strcmp(name, "~"))
		name = _("Buddies");

	group = msn_group_new(session, group_id, name);

	msn_groups_add(session->groups, group);

	if ((g = gaim_find_group(name)) == NULL) {
		g = gaim_group_new(name);
		gaim_blist_add_group(g, NULL);
	}

	return TRUE;
}

static gboolean
lst_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	MsnSession *session = servconn->session;
	GaimConnection *gc = session->account->gc;
	int user_num;
	int num_users;
	const char *type;
	const char *passport = NULL;
	const char *friend = NULL;

	type      = params[1];
	user_num  = atoi(params[3]);
	num_users = atoi(params[4]);

	if (g_ascii_strcasecmp(type, "RL") && user_num == 0 && num_users == 0)
		return TRUE; /* There are no users on this list. */

	if (num_users > 0) {
		passport  = params[5];
		friend    = msn_url_decode(params[6]);
	}

	if (session->syncing_lists && session->lists_synced)
		return TRUE;

	if (!g_ascii_strcasecmp(type, "FL") && user_num != 0) {
		/* These are users on our contact list. */
		MsnUser *user;

		user = msn_user_new(session, passport, friend);

		if (param_count == 8)
			msn_user_set_group_id(user, atoi(params[7]));

		session->lists.forward = g_slist_append(session->lists.forward, user);
	}
	else if (!g_ascii_strcasecmp(type, "AL") && user_num != 0) {
		/* These are users who are allowed to see our status. */
		if (g_slist_find_custom(gc->account->deny, passport,
								(GCompareFunc)strcmp)) {

			gaim_debug(GAIM_DEBUG_INFO, "msn",
					   "Moving user from deny list to permit: %s (%s)\n",
					   passport, friend);

			gaim_privacy_deny_remove(gc->account, passport);
		}

		gaim_privacy_permit_add(gc->account, passport);
	}
	else if (!g_ascii_strcasecmp(type, "BL") && user_num != 0) {
		/* These are users who are not allowed to see our status. */
		gaim_privacy_deny_add(gc->account, passport);
	}
	else if (!g_ascii_strcasecmp(type, "RL")) {
		/* These are users who have us on their contact list. */
		if (user_num > 0) {
			gboolean new_entry = TRUE;

			if (g_slist_find_custom(gc->account->permit, passport,
									(GCompareFunc)g_ascii_strcasecmp)) {
				new_entry = FALSE;
			}
			
			if (g_slist_find_custom(gc->account->deny, passport,
									(GCompareFunc)g_ascii_strcasecmp)) {
				new_entry = FALSE;
			}

			if (new_entry) {
				MsnPermitAdd *pa;
				char msg[MSN_BUF_LEN];

				gaim_debug(GAIM_DEBUG_WARNING, "msn",
						   "Unresolved MSN RL entry: %s\n", passport);

				pa       = g_new0(MsnPermitAdd, 1);
				pa->user = msn_user_new(session, passport, friend);
				pa->gc   = gc;

				g_snprintf(msg, sizeof(msg),
						   _("The user %s (%s) wants to add you to their "
							 "buddy list."),
						   msn_user_get_passport(pa->user),
						   msn_user_get_name(pa->user));

				gaim_request_action(gc, NULL, msg, NULL, 0, pa, 2,
									_("Authorize"),
									G_CALLBACK(msn_accept_add_cb),
									_("Deny"),
									G_CALLBACK(msn_cancel_add_cb));
			}
		}

		if (user_num != num_users)
			return TRUE; /* This isn't the last one in the RL. */

		/* Now we're at the last one, so we can do final work. */
		if (!session->lists_synced) {
			if (!msn_servconn_send_command(servconn, "CHG", "NLN")) {
				gaim_connection_error(gc, _("Unable to write"));

				return FALSE;
			}

			gaim_connection_set_state(gc, GAIM_CONNECTED);
			serv_finish_login(gc);
		}

		if (session->lists.allow == NULL)
			session->lists.allow = g_slist_copy(gc->account->permit);
		else
			session->lists.allow = g_slist_concat(session->lists.allow,
												  gc->account->permit);

		if (session->lists.block == NULL)
			session->lists.block = g_slist_copy(gc->account->deny);
		else
			session->lists.block = g_slist_concat(session->lists.block,
												  gc->account->deny);

		while (session->lists.forward != NULL) {
			MsnUser *user = session->lists.forward->data;

			session->lists.forward = g_slist_remove(session->lists.forward,
													user);

			add_buddy(servconn, user);
		}

		session->syncing_lists = FALSE;
		session->lists_synced  = TRUE;
	}

	return TRUE;
}

static gboolean
nln_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	MsnSession *session = servconn->session;
	GaimConnection *gc = session->account->gc;
	const char *state;
	const char *passport;
	const char *friend;
	int status = 0;

	state    = params[0];
	passport = params[1];
	friend   = msn_url_decode(params[2]);

	serv_got_alias(gc, (char *)passport, (char *)friend);

	if (!g_ascii_strcasecmp(state, "BSY"))
		status |= UC_UNAVAILABLE | (MSN_BUSY << 1);
	else if (!g_ascii_strcasecmp(state, "IDL"))
		status |= UC_UNAVAILABLE | (MSN_IDLE << 1);
	else if (!g_ascii_strcasecmp(state, "BRB"))
		status |= UC_UNAVAILABLE | (MSN_BRB << 1);
	else if (!g_ascii_strcasecmp(state, "AWY"))
		status |= UC_UNAVAILABLE | (MSN_AWAY << 1);
	else if (!g_ascii_strcasecmp(state, "PHN"))
		status |= UC_UNAVAILABLE | (MSN_PHONE << 1);
	else if (!g_ascii_strcasecmp(state, "LUN"))
		status |= UC_UNAVAILABLE | (MSN_LUNCH << 1);

	serv_got_update(gc, (char *)passport, 1, 0, 0, 0, status);

	return TRUE;
}

static gboolean
prp_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	MsnSession *session = servconn->session;
	const char *type, *value;

	type  = params[2];
	value = params[3];

	if (param_count == 4) {
		if (!strcmp(type, "PHH"))
			msn_user_set_home_phone(session->user, msn_url_decode(value));
		else if (!strcmp(type, "PHW"))
			msn_user_set_work_phone(session->user, msn_url_decode(value));
		else if (!strcmp(type, "PHM"))
			msn_user_set_mobile_phone(session->user, msn_url_decode(value));
	}

	return TRUE;
}

static gboolean
rea_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	MsnSession *session = servconn->session;
	GaimConnection *gc = session->account->gc;
	char *friend;

	friend = msn_url_decode(params[3]);

	gaim_connection_set_display_name(gc, friend);

	return TRUE;
}

static gboolean
reg_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	MsnSession *session = servconn->session;
	MsnGroup *group;
	int group_id;
	char *group_name;

	group_id = atoi(params[2]);

	group_name = msn_url_decode(params[3]);

	group = msn_groups_find_with_id(session->groups, group_id);

	gaim_debug(GAIM_DEBUG_INFO, "msn", "Renamed group %s to %s\n",
			   msn_group_get_name(group), group_name);

	if (group != NULL)
		msn_group_set_name(group, group_name);

	return TRUE;
}

static gboolean
rem_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	MsnSession *session = servconn->session;

	/* I hate this. */
	if (session->moving_buddy) {
		MsnGroup *group, *old_group;
		GaimConnection *gc = session->account->gc;
		const char *passport = params[3];
		char outparams[MSN_BUF_LEN];

		group = msn_groups_find_with_name(session->groups,
										  session->dest_group_name);

		old_group = session->old_group;

		session->moving_buddy = FALSE;
		session->old_group    = NULL;

		if (group == NULL) {
			gaim_debug(GAIM_DEBUG_ERROR, "msn",
					   "Still don't have a group ID for %s while moving %s!\n",
					   session->dest_group_name, passport);

			g_free(session->dest_group_name);
			session->dest_group_name = NULL;

			return TRUE;
		}

		g_free(session->dest_group_name);
		session->dest_group_name = NULL;

		g_snprintf(outparams, sizeof(outparams), "FL %s %s %d",
				   passport, passport, msn_group_get_id(group));

		if (!msn_servconn_send_command(session->notification_conn,
									   "ADD", outparams)) {
			gaim_connection_error(gc, _("Write error"));
			return FALSE;
		}

		if (old_group != NULL)
			msn_group_remove_user(old_group, session->moving_user);

		msn_user_unref(session->moving_user);

		session->moving_user = NULL;

		if (old_group != NULL &&
			msn_users_get_count(msn_group_get_users(old_group)) <= 0) {

			g_snprintf(outparams, sizeof(outparams), "%d",
					   msn_group_get_id(old_group));

			if (!msn_servconn_send_command(session->notification_conn,
										   "RMG", outparams)) {

				gaim_connection_error(gc, _("Write error"));
				return FALSE;
			}
		}
	}

	return TRUE;
}

static gboolean
rmg_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	MsnSession *session = servconn->session;
	MsnGroup *group;

	group = msn_groups_find_with_id(session->groups, atoi(params[2]));

	if (group != NULL)
		msn_groups_remove(session->groups, group);

	return TRUE;
}

/**************************************************************************
 * Misc commands
 **************************************************************************/
static gboolean
url_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	MsnSession *session = servconn->session;
	GaimAccount *account = session->account;
	const char *rru;
	const char *url;
	md5_state_t st;
	md5_byte_t di[16];
	FILE *fd;
	char buf[2048];
	char buf2[3];
	char sendbuf[64];
	int i;

	rru = params[1];
	url = params[2];

	g_snprintf(buf, sizeof(buf), "%s%lu%s",
			   session->passport_info.mspauth,
			   time(NULL) - session->passport_info.sl,
			   gaim_account_get_password(account));

	md5_init(&st);
	md5_append(&st, (const md5_byte_t *)buf, strlen(buf));
	md5_finish(&st, di);

	memset(sendbuf, 0, sizeof(sendbuf));

	for (i = 0; i < 16; i++) {
		g_snprintf(buf2, sizeof(buf2), "%02x", di[i]);
		strcat(sendbuf, buf2);
	}

	if (session->passport_info.file != NULL) {
		unlink(session->passport_info.file);
		g_free(session->passport_info.file);
	}

	if ((fd = gaim_mkstemp(&session->passport_info.file)) == NULL) {
		gaim_debug(GAIM_DEBUG_ERROR, "msn",
				   "Error opening temp passport file: %s\n",
				   strerror(errno));
	}
	else {
		fputs("<html>\n"
			  "<head>\n"
			  "<noscript>\n"
			  "<meta http-equiv=\"Refresh\" content=\"0; "
			        "url=http://www.hotmail.com\">\n"
			  "</noscript>\n"
			  "</head>\n\n",
			  fd);

		fprintf(fd, "<body onload=\"document.pform.submit(); \">\n");
		fprintf(fd, "<form name=\"pform\" action=\"%s\" method=\"POST\">\n\n",
				url);
		fprintf(fd, "<input type=\"hidden\" name=\"mode\" value=\"ttl\">\n");
		fprintf(fd, "<input type=\"hidden\" name=\"login\" value=\"%s\">\n",
				gaim_account_get_username(account));
		fprintf(fd, "<input type=\"hidden\" name=\"username\" value=\"%s\">\n",
				gaim_account_get_username(account));
		fprintf(fd, "<input type=\"hidden\" name=\"sid\" value=\"%s\">\n",
				session->passport_info.sid);
		fprintf(fd, "<input type=\"hidden\" name=\"kv\" value=\"%s\">\n",
				session->passport_info.kv);
		fprintf(fd, "<input type=\"hidden\" name=\"id\" value=\"2\">\n");
		fprintf(fd, "<input type=\"hidden\" name=\"sl\" value=\"%ld\">\n",
				time(NULL) - session->passport_info.sl);
		fprintf(fd, "<input type=\"hidden\" name=\"rru\" value=\"%s\">\n",
				rru);
		fprintf(fd, "<input type=\"hidden\" name=\"auth\" value=\"%s\">\n",
				session->passport_info.mspauth);
		fprintf(fd, "<input type=\"hidden\" name=\"creds\" value=\"%s\">\n",
				sendbuf); /* TODO Digest me (huh? -- ChipX86) */
		fprintf(fd, "<input type=\"hidden\" name=\"svc\" value=\"mail\">\n");
		fprintf(fd, "<input type=\"hiden\" name=\"js\" value=\"yes\">\n");
		fprintf(fd, "</form></body>\n");
		fprintf(fd, "</html>\n");

		if (fclose(fd)) {
			gaim_debug(GAIM_DEBUG_ERROR, "msn",
					   "Error closing temp passport file: %s\n",
					   strerror(errno));

			unlink(session->passport_info.file);
			g_free(session->passport_info.file);
		}
		else {
			/*
			 * Renaming file with .html extension, so that the
			 * win32 open_url will work.
			 */
			char *tmp;

			if ((tmp = g_strdup_printf("%s.html",
					session->passport_info.file)) != NULL) {

				if (rename(session->passport_info.file, tmp) == 0) {
					g_free(session->passport_info.file);
					session->passport_info.file = tmp;
				}
				else
					g_free(tmp);
			}
		}
	}

	return TRUE;
}
/**************************************************************************
 * Switchboards
 **************************************************************************/
static gboolean
rng_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	MsnSession *session = servconn->session;
	MsnSwitchBoard *swboard;
	MsnUser *user;
	const char *session_id;
	char *host, *c;
	int port;

	session_id = params[0];

	host = g_strdup(params[1]);

	if ((c = strchr(host, ':')) != NULL) {
		*c = '\0';
		port = atoi(c + 1);
	}
	else
		port = 1863;

	swboard = msn_switchboard_new(session);

	user = msn_user_new(session, params[4], NULL);

	msn_switchboard_set_invited(swboard, TRUE);
	msn_switchboard_set_session_id(swboard, params[0]);
	msn_switchboard_set_auth_key(swboard, params[3]);
	msn_switchboard_set_user(swboard, user);

	if (!msn_switchboard_connect(swboard, host, port)) {
		gaim_debug(GAIM_DEBUG_ERROR, "msn",
				   "Unable to connect to switchboard on %s, port %d\n",
				   host, port);

		g_free(host);

		return FALSE;
	}

	g_free(host);

	return TRUE;
}

static gboolean
xfr_cmd(MsnServConn *servconn, const char *command, const char **params,
		size_t param_count)
{
	MsnSession *session = servconn->session;
	MsnSwitchBoard *swboard;
	GaimConnection *gc = session->account->gc;
	char *host;
	char *c;
	int port;

	if (strcmp(params[1], "SB") && strcmp(params[1], "NS")) {
		gaim_connection_error(gc, _("Got invalid XFR"));
		
		return FALSE;
	}

	host = g_strdup(params[2]);

	if ((c = strchr(host, ':')) != NULL) {
		*c = '\0';
		port = atoi(c + 1);
	}
	else
		port = 1863;

	if (!strcmp(params[1], "SB")) {
		swboard = msn_session_find_unused_switch(session);

		if (swboard == NULL) {
			gaim_debug(GAIM_DEBUG_ERROR, "msn",
					   "Received an XFR SB request when there's no unused "
					   "switchboards!\n");
			return FALSE;
		}

		msn_switchboard_set_auth_key(swboard, params[4]);

		if (!msn_switchboard_connect(swboard, host, port)) {
			gaim_debug(GAIM_DEBUG_ERROR, "msn",
					   "Unable to connect to switchboard on %s, port %d\n",
					   host, port);

			g_free(host);

			return FALSE;
		}
	}
	else if (!strcmp(params[1], "NS")) {
		msn_servconn_destroy(session->notification_conn);

		session->notification_conn = msn_notification_new(session, host, port);

		if (!msn_servconn_connect(session->notification_conn)) {
			gaim_connection_error(gc, _("Unable to transfer to "
									  "notification server"));

			return FALSE;
		}
	}

	g_free(host);

	return TRUE;
}

/**************************************************************************
 * Message Types
 **************************************************************************/
static gboolean
profile_msg(MsnServConn *servconn, MsnMessage *msg)
{
	MsnSession *session = servconn->session;
	const char *value;

	if (strcmp(servconn->msg_passport, "Hotmail")) {
		/* This isn't an official message. */
		return TRUE;
	}

	if ((value = msn_message_get_attr(msg, "kv")) != NULL)
		session->passport_info.kv = g_strdup(value);

	if ((value = msn_message_get_attr(msg, "sid")) != NULL)
		session->passport_info.sid = g_strdup(value);

	if ((value = msn_message_get_attr(msg, "MSPAuth")) != NULL)
		session->passport_info.mspauth = g_strdup(value);

	return TRUE;
}

static gboolean
initial_email_msg(MsnServConn *servconn, MsnMessage *msg)
{
	MsnSession *session = servconn->session;
	GaimConnection *gc = session->account->gc;
	GHashTable *table;
	const char *unread;

	if (strcmp(servconn->msg_passport, "Hotmail")) {
		/* This isn't an official message. */
		return TRUE;
	}

	if (!gaim_account_get_check_mail(session->account))
		return TRUE;

	if (session->passport_info.file == NULL) {
		msn_servconn_send_command(servconn, "URL", "INBOX");

		msn_servconn_queue_message(servconn, "URL", msg);

		return TRUE;
	}

	table = msn_message_get_hashtable_from_body(msg);

	unread = g_hash_table_lookup(table, "Inbox-Unread");

	if (unread != NULL) {
		const char *passport = msn_user_get_passport(session->user);
		const char *url = session->passport_info.file;

		gaim_notify_emails(gc, atoi(unread), FALSE, NULL, NULL,
						   &passport, &url, NULL, NULL);
	}

	g_hash_table_destroy(table);

	return TRUE;
}

static gboolean
email_msg(MsnServConn *servconn, MsnMessage *msg)
{
	MsnSession *session = servconn->session;
	GaimConnection *gc = session->account->gc;
	GHashTable *table;
	const char *from, *subject;

	if (strcmp(servconn->msg_passport, "Hotmail")) {
		/* This isn't an official message. */
		return TRUE;
	}

	if (!gaim_account_get_check_mail(session->account))
		return TRUE;

	if (session->passport_info.file == NULL) {
		msn_servconn_send_command(servconn, "URL", "INBOX");

		msn_servconn_queue_message(servconn, "URL", msg);

		return TRUE;
	}

	table = msn_message_get_hashtable_from_body(msg);

	from    = g_hash_table_lookup(table, "From");
	subject = g_hash_table_lookup(table, "Subject");

	gaim_notify_email(gc, subject, from, msn_user_get_passport(session->user),
					  session->passport_info.file, NULL, NULL);

	g_hash_table_destroy(table);

	return TRUE;
}

static gboolean
system_msg(MsnServConn *servconn, MsnMessage *msg)
{
	GHashTable *table;
	const char *type_s;

	if (strcmp(servconn->msg_passport, "Hotmail")) {
		/* This isn't an official message. */
		return TRUE;
	}

	table = msn_message_get_hashtable_from_body(msg);

	if ((type_s = g_hash_table_lookup(table, "Type")) != NULL) {
		int type = atoi(type_s);
		char buf[MSN_BUF_LEN];

		switch (type) {
			case 1:
				g_snprintf(buf, sizeof(buf),
						   _("The MSN server will shut down for maintenance "
							 "in %d minute(s). You will automatically be "
							 "signed out at that time. Please finish any "
						     "conversations in progress.\n\n"
							 "After the maintenance has been completed, you "
							 "will be able to successfully sign in."),
						   atoi(g_hash_table_lookup(table, "Arg1")));

			default:
				break;
		}

		if (*buf != '\0')
			gaim_notify_info(servconn->session->account->gc, NULL, buf, NULL);
	}

	g_hash_table_destroy(table);

	return TRUE;
}

static gboolean
connect_cb(gpointer data, gint source, GaimInputCondition cond)
{
	MsnServConn *notification = data;
	MsnSession *session = notification->session;
	GaimAccount *account = session->account;
	GaimConnection *gc = gaim_account_get_connection(account);

	if (source == -1) {
		gaim_connection_error(session->account->gc, _("Unable to connect"));
		return FALSE;
	}

	if (notification->fd != source)
		notification->fd = source;

	if (!msn_servconn_send_command(notification, "VER",
								   "MSNP7 MSNP6 MSNP5 MSNP4 CVR0")) {
		gaim_connection_error(gc, _("Unable to write to server"));
		return FALSE;
	}

	session->user = msn_user_new(session,
								 gaim_account_get_username(account), NULL);

	gaim_connection_update_progress(gc, _("Syncing with server"),
									4, MSN_CONNECT_STEPS);

	return TRUE;
}

static void
failed_read_cb(gpointer data, gint source, GaimInputCondition cond)
{
	MsnServConn *notification = data;
	GaimConnection *gc;

	gc = notification->session->account->gc;

	gaim_connection_error(gc, _("Error reading from server"));
}

MsnServConn *
msn_notification_new(MsnSession *session, const char *server, int port)
{
	MsnServConn *notification;

	notification = msn_servconn_new(session);

	msn_servconn_set_server(notification, server, port);
	msn_servconn_set_connect_cb(notification, connect_cb);
	msn_servconn_set_failed_read_cb(notification, failed_read_cb);

	if (notification_commands == NULL) {
		/* Register the command callbacks. */
		msn_servconn_register_command(notification, "ADD",       add_cmd);
		msn_servconn_register_command(notification, "ADG",       adg_cmd);
		msn_servconn_register_command(notification, "BLP",       blp_cmd);
		msn_servconn_register_command(notification, "BPR",       bpr_cmd);
		msn_servconn_register_command(notification, "CHG",       blank_cmd);
		msn_servconn_register_command(notification, "CHL",       chl_cmd);
		msn_servconn_register_command(notification, "FLN",       fln_cmd);
		msn_servconn_register_command(notification, "GTC",       blank_cmd);
		msn_servconn_register_command(notification, "ILN",       iln_cmd);
		msn_servconn_register_command(notification, "INF",       inf_cmd);
		msn_servconn_register_command(notification, "IPG",       ipg_cmd);
		msn_servconn_register_command(notification, "LSG",       lsg_cmd);
		msn_servconn_register_command(notification, "LST",       lst_cmd);
		msn_servconn_register_command(notification, "MSG",       msg_cmd);
		msn_servconn_register_command(notification, "NLN",       nln_cmd);
		msn_servconn_register_command(notification, "OUT",       out_cmd);
		msn_servconn_register_command(notification, "PRP",       prp_cmd);
		msn_servconn_register_command(notification, "QNG",       blank_cmd);
		msn_servconn_register_command(notification, "QRY",       blank_cmd);
		msn_servconn_register_command(notification, "REA",       rea_cmd);
		msn_servconn_register_command(notification, "REG",       reg_cmd);
		msn_servconn_register_command(notification, "REM",       rem_cmd);
		msn_servconn_register_command(notification, "RMG",       rmg_cmd);
		msn_servconn_register_command(notification, "RNG",       rng_cmd);
		msn_servconn_register_command(notification, "SYN",       blank_cmd);
		msn_servconn_register_command(notification, "URL",       url_cmd);
		msn_servconn_register_command(notification, "USR",       usr_cmd);
		msn_servconn_register_command(notification, "VER",       ver_cmd);
		msn_servconn_register_command(notification, "XFR",       xfr_cmd);
		msn_servconn_register_command(notification, "_unknown_", unknown_cmd);

		/* Register the message type callbacks. */
		msn_servconn_register_msg_type(notification, "text/x-msmsgsprofile",
									   profile_msg);
		msn_servconn_register_msg_type(notification,
									   "text/x-msmsgsinitialemailnotification",
									   initial_email_msg);
		msn_servconn_register_msg_type(notification,
									   "text/x-msmsgsemailnotification",
									   email_msg);
		msn_servconn_register_msg_type(notification,
									   "application/x-msmsgssystemmessage",
									   system_msg);

		/* Save these for future use. */
		notification_commands  = notification->commands;
		notification_msg_types = notification->msg_types;
	}
	else {
		g_hash_table_destroy(notification->commands);
		g_hash_table_destroy(notification->msg_types);

		notification->commands  = notification_commands;
		notification->msg_types = notification_msg_types;
	}

	return notification;
}